The first flipper pinball machine was released 68 years and 1 month ago and yet there is only a handful of open source, cross-platform pinball video games available! Oh well, let's take them for a spin, shall we?UPDATE Dec 1st, 2015: 1. Added Libre Pinball, see Honorable Mentions below. 2. Added conclusion section.UPDATE Jul 17th, 2016: Updated Emilia Pinball linksNe
