Devcorner: Macros Are Evil

The joys of programming - hours spent scratching one's head whilst trying to figure out why the seemingly correct code does not produce correct results.

Hi, Charlie here. I used to post often.

Where was I? Ah, yes, this nugget of brain fudgery from the VDrift forums posted by NaN:

So I've spent some time today try to figure out why cars are still flying off in random directions when hitting curbs sometimes.

It turns out it is a bug in Bullet, to be more specific in the SIMD_DEGS_PER_RAD macro.

Code:

#define SIMD_PI           btScalar(3.1415926535897932384626433832795029)
#define SIMD_2_PI         btScalar(2.0) * SIMD_PI
#define SIMD_HALF_PI      (SIMD_PI * btScalar(0.5))
#define SIMD_RADS_PER_DEG (SIMD_2_PI / btScalar(360.0))
#define SIMD_DEGS_PER_RAD  (btScalar(360.0) / SIMD_2_PI)

The first one to spot it gets a virtual cookie.

For the answer visit the thread, I won't spoil it here. Instead, I'll post a screenshot, also sourced from said forums and taken by Stunt Rally author CrystalH.

 

For those who don't know, Stunt Rally is a friendly fork of VDrift.

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Xonotic 0.8.1 released & related news

For those that are not keeping up to the latest development branch (via the autobuilds), the Xonotic developers have released a new version with various smaller changes and new official maps.

From the user "Antibody" (known for his duel commentary videos) comes this nice video overview of the new features:

(please note that due to video capture performance reasons the graphic settings are pretty low, and the game can look much nicer with different settings)

On the longer term horizon of Xonotic development, there is the very exiting news that they are currently porting their game to run on the same engine that Unvanquished uses. With this the future of Xonotic is indeed much brighter, as their current engine has not seem much development lately. See more details in this thread.

Oh and while we are talking about FOSS arena FPS: A short while ago Red Eclipse also released a new version. Changes include updated to the AI Bots and a build in universal updater to easily follow the latest releases.

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Mini Sci-Fi Open Source Tower Defense Game

Purely by chance, I found an obviously abandoned but still fun to play mini tower defense with a skippable tutorial level and two playable missions, beautiful graphics and performance settings.

To be a master is to spam en mass

So you place towers and the shoot enemies that move towards your base. I know this! Being an impatient player type, I skipped past the tutorial and was annihilated in level 1.

Short enough messages in a hard enough tutorial level

The degree of my destruction was such, that I was thankful for the tutorial being there at all. Even though I did die in it, it taught me enough about the all-or-nothing early game (which some might refer as to "unbalanced") to get my strategy right.

Turn off for speed. Turn on for awesome!

You get 3 towers: that allows you to build more tower, one that allows you to shoot more and one that shoots. You can block paths and create mazes. There are no tower upgrades and that's okay.

All the plot. Space to continue. Take that non-skip-able intro video AAA games!

Mission #3 is not possible to win (prove me wrong) but it was a great experience to find that I was able to beat the tutorial mission after all. By deviating from the given instructions! If that's not freedom (besides being open source) then I don't know what is!

Yeah right...

Come to think of it, the ridiculousness of level 3 practically speaks "dear player, you should totally fork and make new levels!"

Made with love2d

The last commit to Turres Monacorum was in May 2014 and the game was made at a game jam. My experience dictates that this won't be picked up by the original developers any more but to any player with love2d installed, it will come as a wonderful, visually polished snack!

Love2D Tower Defense: Turres Monacorum

Download the mini tower defense game from the github release page and enjoy!

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Limit Load, new arcade combat flight simulator

Stealth development might not be very "open-sourceish", but it sometimes makes for some nice surprises in our project showcase forum.

This time it was the completely new open-source game Limit Load, self described as:

A cockpit flight game that is more of an arcade than a sim. The game is built on the Panda3D game engine. It is similar to the ancient games like the classic Wings or the very good Strike Commander. The story and the atmosphere are important elements of the game, so a lot of focus is placed on that too.

Here is some in-game action and it seems quite polished already for such a new game:


Licensing of assets is still a bit of a grey area it seems, but they are fully aware of it:

The game code is licensed under GPL 3, and custom-made game assets under CC-by-SA 4.0. Some of the assets were taken from "free" (as in "not sure in which way") sources on the Internet, so their licensing situation is unclear. Eventually these should be cleared for use or replaced.

So where is my VR kit? :D

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Old school 2D RTS Wyrmsun is looking to be greenlit

We were kindly made aware by the main developer of the 2D RTS Wyrmsun that he is currently looking for support to get this game on the Steam platform (link includes a game-play video).

Here is a description of the game we got from him:

In Wyrmsun, humans, elves and dwarves all seek to carve a place for themselves on their different homeworlds, with humans living on Earth, dwarves dwelling on Nidavellir, and elves inhabiting Alfheim. In the game's missions, each world follows separate storylines, but the various civilizations can be mixed and matched in custom games.

Wyrmsun features:

• Retro-style graphics
• 2 playable civilizations, and a number of non-playable ones
• 18 quests to play, earning technology points which can be used to obtain new units, buildings and technologies
• 38 units, 30 buildings and 14 technologies
• Units that can earn experience, being able to upgrade to new unit types or acquire new abilities upon level-up
• Persistent heroes, who carry over their level and abilities throughout scenarios
• Personal names and traits for units
• Cave, Conifer Forest, Dungeon, Fairlimbed Forest and Swamp tilesets
• 33 maps of real and fictional locations to choose from, as well as random maps
• Living environment, with fauna reproduction and predation
• Very moddable game, with mod-loading capability built in
• Grand strategy mode, where production is resolved on the strategic (world map) level, while battles are resolved on the tactical level
• In-game encyclopedia, allowing players to learn more about the units, buildings and other elements of the game, as well as their historical and mythological sources of inspiration.

For those more inclined to help out with the code, there are two code repositories: one for the game and one for the modified Stratagus engine.

P.S.: Yes FOSS games can be on Steam as long as they don't integrate with closed source steam integration libraries; And it can be a great way to attract more users to your game and maybe even collect some donations or sell add-ons (preferably in a "release freely when sufficient funds are gathered" style). See this game for an successful example.

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New FOSS 3D RTS Engine, OpenRTS!

I had been following this really awesome looking tile based RTS 3D engine project (think Starcraft2 like) on the jMonkey Engine forums for a while, and it is now fully FOSS including the arts assets.
Don't expect a playable RTS game, but as you can seen in this video of the in-game level editor a lot of work has been done already:



You can contribute to the MIT licensed source on their github page (the author asks for help) and/or head over to the website of engine it uses, jMonkeyEngine, a great project written in Java.

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Top Futuristic Open Source Racing Games on Linux

F-Zero and Wipeout set the standard for the futuristic sci-fi racing games genre and inspire many game developers.

Over the years, four projects of that genre were started and developed to a playable state that are now open source code:




H-Craft by Irrgheist is a free sci-fi racer with IAP on Android. It is built with the Irrlicht engine and was recently released as free software with freeware data.

While gameplay is simple without pickups, boosts or weapons, the campaign keeps it interesting. The 180°-Turns used in H-Craft level design are very refreshing to the genre.




CoreBreach is a commercial anti-gravity racing game with combat gameplay. There is a freeware dataset that allows compiling and playing a simpler-looking version.

Being an Objective C project, it was unusual to compile for me on latest Arch Linux but possible. Campaign mode, weapons and split-screen multiplayer make it cover many bases.




Racer is the only project with 100% free as in freedom data, yet unfortunately it does not compile on current Arch Linux.

Of our four projects, this is the only that has the classic drive-over boost fields.




Ecksdee is the oldest of the bunch and has challenging time trial single-player gameplay.

There are weapon pickups but without AI or human competitors they serve no purpose yet.



Project Comparison

	H-Craft	CoreBreach	Racer*	Ecksdee
Latest Version	2015-02-23 (1.3)	2012-11-30 (git)	2010-10-10 (r349)	2006-11-24 (0.0.9)
Campaign Mode	yes	yes	no	no
Split-Screen Multiplayer	no	yes	yes	no
Weapons	no	yes	no	yes
AI	yes	yes	no	no
Gamepad Support	yes	yes	yes	no
Menu UI Look	good	ok	good	ok
Music	yes	yes	no	yes
Sounds	yes	yes	yes	yes
Linux Builds or Compiling	not tested, build used	complicated but compiles	fails	fails, win32 build/wine used
Art Asset License(s)	Mostly no-modify-no-distribute	no-distribution, GPL, CC-BY 3.0	CC-BY-SA 3.0	GPL, CC-BY-NC, CC-BY-NC-ND
Is It Cool?	yes	yes	yes	yes

* Could not build racer, reviewing from long term memory



Related projects


Stunt Rally has a F-Zero-esque antigrav vehicles and futuristic levels but primarily it's a car racing game. The default physics don't seem to be working for a futuristic racing style.




The cool Blender Game Engine project RGP has it's .blend file available but it does not have license information. The .blend contains no audio and only one level without AI.




HexGL is pretty but has no sound, no ai, only one level and is CC 3.0 BY-NC licensed (including code) at the moment. If anybody is interested in contributing: the developer indicated interest in the MIT license.

TheRush seem to be Windows-only and does not run in Wine.

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DevCorner: Overlap2D editor goes open source & Godot 1.1. Beta with huge 2D engine enhancements!

Some nice developments on the 2D game-dev front lately, and as you will later see, 2D with full shader, real-time lights and so on can be a quite awsome way to make games, without having to hire a full team of 3D artists ;)

First of all a great new 2D editor, Overlap2D, has been released under the Apache2 license:



Contrary to other popular 2D editors (for example tiled or DAME), it is not tile based, has a modern renderer and also comes with a nice GUI editor. It currently exports to a standard JSON file and has a libGDX runtime.

Godot 1.1 BETA

Really awesome are also the latest developments of the (often described as the open-source Unity) Godot engine which you can now easily try. For me the coolest new features are the new dynamic lights (shown here in the also new isometric game sample):



This of course requires a bit more than simple 2D sprites ;) If you want to create cool 2D normal-maps, this should give you an simple way to create them.
Also very nice is the now working graphical/node-based shader editor:



If this has raised your interest in developing a game with Godot, check out this nice series of tutorials or these. It's script language is a simplified version of python, so most beginning coders should feel right at home. Also check out this cool video of a mobile game made with Godot, if you still need convincing ;)

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SDL2 FPS & on Finding New Open Source Games

I took a quick look whether one could find some open source games news (new game projects to be specific) by sorting SourceForge game projects by date but no luck, only established projects seem to show up there.

So I did the same on GitHub, and after making educated guesses whether projects might be worth clicking based on their title and short description, I f ound graphitemaster/neothyne.

The project uses SDL2, is about half a year old, doesn't have shooting functionality but at least movement feels kind of nice and definitely fast. In fact I'm honestly surprised that SDL is usable for 3D.

Neothyne is an attempt at getting back to the roots of good old twitch shooting akin to that of Quake World..

It certainly feels more like Cube 1 or Quake, rather than OpenArena, Sauerbraten or Nexuiz.

What surprised me even more that it compiles in mere seconds.

To come back to the point of finding games: My impression is that development is getting faster, projects are getting more but also less ambitious (read: more realistic to achieve) and less care is being given to licenses but at the same time more legal resources are being used because of OpenGameArt's and Freesound's popularity.

Personally, I have been using old onboard graphics for two years or more (no chance to run anything interesting 3D) because I'd prefer to upgrade from a HTC Wildfire (Buzz) to a OnePlus One, rather than buying a new Power Supply and Graphics card, having a louder computer and the knowledge that it's using more electricity.

This is also the reason why the above video is so tiny. :) No 720p 3D for my GPU.

If you find it interesting to browse through lists of game projects, trying to find a playable one that suits your interest, I recommend the GitHub search. Just don't rely on the "game" search key too much and imagine what the developer might use to describe it (probably genre names...).

For your entertainment, a list of "game" project short descriptions from GitHub.

• Actual game for the Capstrong DePaul capstone team
• recreating cs203-game1 repository because of a corruption in the original repo that I can't figure out how to fix atm
• the tic tac toe game on node.js
• Survival game
• kouluprojekti2
• Hotline Miami inspiered HTML5/JS game for school project
• Island is a programming game designed as a support for Software Engineering classes
• game
• Just a little game I'm working on
• Card game...

What's your favorite? Can you find anything better?

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Space Station 13 remake liberated!

Many of us know Space Station 13 as "that awesome game I never played". Along with games like Dorf Fortress it stands as one of the pinnacles of the gameplay philosophy of fun through massive amounts of diversity. Originally developed in one of the most broken and unupdated platforms ever imaginable, BYOND, fans of the game have been trying to develop a standalone remake of the game for a while.

After a long period of development, the team of Robust Games, in charge of the project, decided to liberate the whole thing and turn to open development. This means all of the code is now GPLv3 and all of the art assets are now CC-BY-SA, effectively making the game 100% free-as-in-free-domes. 

So what are you waiting for? Get to developin'!

EDIT: Apparently only the placeholder sprites (not the fancy ones in the screenshot) have been released under CC-BY-SA. The game should still be 100% playable with these, though.

Official page

Source Code (github)

Code License: GPLv3

Assets License: CC-BY-SA

Via RPS

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Galaxy Forces: Moon Lander Action!

Galaxy Forces is an open-source moon lander shooter single-/multiplayer game hosted on SourceForge, it is nearly finished.

It is unique of its kind in offering global hiscores and achievements. Replays and AI enemies also available.

Try it. It plays on Win, Mac and Linux.

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Godot Winter Game Jam

Godot winter icon

A game dev jam to create a winter-themed open source game was community-initiated at the Godot forums. The (vote-determined) winner will get a budget of USD 50 to have donated to an open source project of their choice.

What is Godot?

Godot editor

Godot is a game engine. No wait, it's actually a game development IDE with its own Lua-based scripting language.

As far as I can tell, it's a promising project that is a bit buggy, especially when it comes to mobile exports. It has some UI flaws (subjectivity warning) but still, open source Godot is more appealing than proprietary Unity 3D.

If you want to try making a game in Godot, I recommend this official tutorial as a starting point. Good luck & great success to you!

What else?

Another way to support Godot: "like" it as a Unity 3D alternative on alternativeTo.

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Strife: Veteran Edition

Just in case you can stand having Steam DRM installed in your system, I recommend taking a look at Strife: Veteran Edition. Strife is a Shooter/RPG based on the Doom Engine and dating back to 1996. The developers for this new remake had the wits and sensibility to use the Chocolate Doom engine as the main code base, which is, of course 100% licensed under the GPL. With so many top quality Free Software engine remakes around here, it really astounds me why so few developers choose to use them on modern HD remakes and ports (I'm looking at YOU, upcoming remake of Heroes of Might and Magic III not using VCMI).

As mentioned, so far the game is available exclusively on Steam, but I'm pretty sure a DRM-free GOG version will eventually follow, as it usually does.

Code License: GPLv2 + LGPL

Assets License: Proprietary

Website

Source Code (Github)

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Xonotic community frag movie and other FOSS arena FPS news

Very nice new movie from the Xonotic community:


It gives a pretty good idea about the vanilla game mode, although the very popular (some say too popular) "Minstagib" (one shot kills) and the total conversion mod Overkill (All new player-models and weapons, with team-spawn etc.) are also shortly shown.
Not shown are the popular vehicle mod and the recently added lightning gun (still WIP), but you can try everything yourself easily by getting the auto-downloader of the latest development build here.

As with most FOSS games, they are looking for more developers (& players) and if you have some cash to spare you can currently also pledge for the creation of some NPC characters for a single-player or COOP-mode here.

Speaking of FOSS crowd-funding, another great FOSS arena shooter, Red Eclipse this currently preparing a campaign for porting their somewhat aging Cube2 engine to the much nicer Tesseract (which is technically something like Cube3).
Oh and a new version (1.5) but still with the old engine should be out very soon ;)

Happy fragging!

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Stunt Rally version 2.5 released

To celebrate tomorrow's big movie launch, I am nicknaming it Interstellar edition :D

Get the all the details and download links here!

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Terminal Overload 0.3 released + support the developer on Patreon

The very innovative and awesome looking (+ fully FOSS) multiplayer FPS Terminal-Overload got a new release today. Edit: By now there is actually already a 0.4.0 release, get it here.

Charged x-jump on the new ETH5 map (3rd person camera turned on)

One of the new features is a charged jump that lets one take big leaps to reach good sniping spots or evade an enemy etc. Other changes for this release:

- New map: ETH5

- Prettier GUI

- Replace re-jumping with instant & charged x-jump.

- Tweak CAT movement speeds.

- Simplify disc controls.

- ETH mode: Each class only has one type of offensive disc.

- SMG changes: Increase firing rate, decrease damage, shorter range.

- MGL changes: Remove recoil, decrease firing rate, fire only one projectile.

- MG changes: Projectiles are affected by gravity.

- Remove etherboard from class #4 (Minigunner) loadout.

- Remove SG2 from class #2 loadout.

- Improve responsiveness of mouse look while in CAT form.

- New projectile visuals (except discs & grenade).

The new GUI looks like this:

New menu graphics with options window

While it is is quite awesome looking and playable already, it obviously still needs a bit of further development. Since the funds of an earlier crowd-funding drive have been used up, the developer is now looking for other ways to survive. If you like what he is doing, you can head over to his new Patreon page to support him with a monthly payment.

Yes, YOU! Right NOW! ;)

Developer contributions to code and art are of course also welcome.

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Annex 4.0 RTS released!

We mentioned it a few days ago, but you can now download the latest 4.0 version of the RTS Annex: Conquer the World.

Changes:

– 2 New Factions: Alliance Renegades and NEO Republic
– Shadow Organization units: Vixen (hero) and Sentinel
– New Tilesets: Apocylapse, Metropolitian, Overcast, Brightland, and Outland
– Increased Level cap, unit re-balancing and refined gameplay.
– New Technology tree options: Simple Battle, Simple Deployed, Ready for War, and Insanity.
– All Technology trees now have a (D) Double Damage or (H) Half Damage variation.
– Improved graphics, lighting, and particle effects
– Save + load game feature
– New maps and scenarios
– New soundtrack, voice overs and sound effects.
– FOSS (Free and Open Source Software) license

It's especially great to see them switch to a fully FOSS licensing model!

P.S.: Unrelated, but Unvanquished also got a new Alpha 32 release just now.

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Citadel makes big promises

There's a new big remake effort a-brewing in the Free Software world, this time for prominent shooter/RPG, System Shock. under the shape of project Citadel. According to project description, the goal is to recreate the original game using the widely known GPLed platform Darkplaces Engine, upgrading the game's graphics to full 3D but keeping game aesthetics close to the origianl game. Added modding capabilities and cooperative multiplayer will also be a part of the project. 

Details, however, are somewhat scarce, so far, as development is happening behind closed doors, and creator Josiah Jack just announced the existence of the project itself after months of programming in secret. While the code will certainly be all GPL or GPL-compatible due to Darkplaces licensing requirements, the game appears to rely on original proprietary assets, as well as using its own whose license nature is yet to be disclosed.

With a release date planned for the the 23rd of December, System Shock's CD release anniversary, I guess we'll have to wait and see if this project will deliver.

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Annex:CTW RTS version 4.0 close to release

The MegaGlest based RTS Annex: Conquer The World is very close to a major update as version 4.0. Strait from the developer's mouth:

Yes! We are so close we can almost taste it.

He also posted a game-play video of the current development version:


He also recently stated that the new release will be fully FOSS, i.e. not only GPL source-code but also all artwork under a FOSS compatible creative-commons license (most likely CC-by-SA).

It's just a pity that the new much improved GUI code from MegaGlest seems to be not yet ready for the release.

P.S.: Also check out this Tower Defense mod for MegaGlest.

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A potpourri of open-source engines for old(er) games

Yep, not much updates on the blog, but I thought I throw up a list of (mostly) obscure open-source news:

• Original Keen Dreams source-code liberated
• Also check out: CloneKeen, Omnispeak & Commander Genius
• CaveExpress liberated (2d physics game)
• Pixel Dungeon RogueLike open-sourced (Android only)
• X-Com: Apocalypse engine reimplementation
• Libre content replacement project for Gish
• Stein's Gate Visual Novel Engine reimplementation

Less obscure: New version of OpenMW (0.32).

Big tease: Icculus works on open-sourcing a game and it seems to be a relatively new title as it includes steamworks support.

Please comment below if you know of other recent open-sourceing efforts ;)

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Let's play Unvanquished

Ok we are a bit slow with updates currently, but I still wanted to share these cool Let's Play videos created for the Linux Game Award winner of last month Unvanquished:



This is actually the second part, and you can see the first part here (it is mainly about the new menu and playing a tutorial though).

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FreeGameDev.net Outage (Fixed)

**Update 2014-08-12 22:17**

It seems all is back to normal! Thanks 123-reg for sorting out it quickly although nobody emailed me or updated the support ticket, but stellar support nonetheless.

If you want a domain name host, then I can happily recommend 123-reg after this experience.

**Update 2014-08-12 11:14**

I've been in touch with 123-reg and was told the following:

This domain has entered in a renewal phase at the registry, it will be completed on the 15-Aug-2014, during this phase you cannot make any DNS changes.

I asked if it would return to as-was once this is phase is completed and if they could do anything to speed it up, response:

Yes, they will return to the original ones, we have encountered these situations before and we can speed up the renewal process.
I will need to escalate this chat to a support ticket to have my colleagues assist you further, is that ok?

So it is being escalated. I'll keep this post updated.

**Original Post**

I'm not sure (as I've not heard from anybody, really) of the exact extent of the freegamedev.net outage (especially the forums which projects/people depend upon) but it is currently down for me and others if isup.me is to be believed.

I forgot to renew the domain. I would cite lots of excuses but I don't have any!

Don't panic! It is now renewed, but perhaps because I renewed it after it expired (on the 9th - I noticed the forums down this morning which is the 10th) it seems I don't have access to the admin tools and it hasn't recovered yet. They have taken my money though so I expect normal service to resume soon and my provider (123-reg) says the 16th at the latest.

To everybody that this impacts, I am sorry. It'll be back soon. Also, it should auto-renew next year.

 - Charlie

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Stunt Rally now comes with spaceships and cool ancient cities!

Stunt Rally 2.4... talk about feature creep, but I am not complaining ;)

See more pictures of the release here, and don't forget to give some feedback on our forums.

Oh and you can now browse cars and tracks online.

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First public release of Terminal Overload!

You might remember the crowd-sourcing campaign from the beginning of this year to make a fully FOSS remake of a rather unique game.

Well, a bit later than promised, but really awesome never the less:


Note that this is a really early alpha and most of the art still has placeholder quality. It is quite playable multiplayer game already though, and there is a Linux and a Windows version for download on their website.

Please don't forget to give feedback on our forums (also if you are interested in helping out).

This is by the way to my knowledge the first FOSS game utilizing the open-sourced version of the Torque3D engine and also the only one that uses the work in progress Linux port so far.

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Support the development of the Terra Centauri RTS

Not exactly hot of the press, but the developer behind the MegaGlest based RTS Annex: Conquer the world has started a new project:

In a lonely planet circulating a distant star, a war of survival rages on. There a sentient race, the Valkyries struggle to protect their world and themselves against the parasitic organisms Devourers. Explore large maps for resources, treasure, and other advantages to fight back the relentless horde of Devourers.

Terra Centauri: The Last Stand is a new unique MG based game. While game shares a similar art style to Annex, this game has radically different gameplay and much higher quality models.

He is also running a funding campaign on Patreon and you can give feedback on the Megaglest forums.

Speaking of Megaglest: while development has slowed down a bit lately, the work on the CE-GUI based new menu and HUD is looking great.

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Duck Marines, FOSS remake of ChuChu Rocket

Thanks to Tangram Games for pointing out to us that they just released version 1.0 of their local multiplayer game Duck Marines.

They describe it as:

Duck Marines is a cross-platform free software PC remake of Sonic Team’s ChuChu Rocket.
Duck Marines attempts to recreate the magic from the local multiplayer of ChuChu Rocket while adding new elements like mini games, a level editor, colorful pixel art and more.

But see for yourself:



For those not familiar with the original on the Dreamcast here is a small description of the gameplay:

The goal of the game is to get as many ducks into the submarine of your color. Gray ducks give you one point, gold ducks give multiple points and pink ducks will trigger an event or mini game.
Guide the ducks towards your submarine by placing arrows on the ground. When walking over an arrow ducks will instead walk in the direction the arrow is pointing.
Beware of the blue predators. Predators love to eat ducks and will kill a large number of your ducks if they reach your submarine. Try instead to guide the predators to the other players’ submarines using your arrows.

Source-code (zlib) can be found here, assets are licensed under the CC-by-NC-SA/ND. Build with the great Lua 2D game framework LÖVE by the way.

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DevCorner: GameDevelop goes open-source

Thanks to GamingOnLinux for pointing out that this crossplattform *no-programming* 2D game development suite has gone fully FOSS.
It can export games to HTML5 and native code (x86 Linux and Windows).

Read the original announcement here. The github repository is here.

License infos:

• The IDE (in the IDE folder) is licensed with GPL v3. 

• The Core library, the native and HTML5 platforms (respectively Core, GDCpp and GDJS folders) are LGPL v3. 

• Extensions (in the Extensions folder) are using zlib/libpng license. 

• The name, Game Develop, and its logo are the exclusive property of Florian Rival.

Here is a small video to get you started:


& you can find some example games here.
----
By the way: I also recommend to have another look at the Godot engine which has had many improvements since it became open-source a few months ago.

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Winner of the Linux Game Awards PotM July 2014 announced!

See full announcement here.



Congrats to Unvanquished, they are doing a great job for sure!

While they won by a clear lead, the follow-up projects are also very much worth mentioning:

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