- releasy 365 A rake task generator to help with building/packaging/deploying Ruby applications for release (builds for win32/OS X and source, building on all platforms).
- fidgit 40 Ruby GUI framework using Gosu
- ashton 37 Special graphical effects and other extensions for the Ruby/Gosu game library.
- wrath 29 Wrath: Appease or Die! --- Sacrifice everything that isn't nailed down, to appease the angry gods (Game using Gosu)
- ruby_armor 14 RubyArmor is a desktop GUI front-end for RubyWarrior