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overview forum documentation ruby reference c++ reference

Gosu is a 2D game development library for the Ruby and C++ programming languages, available for Mac OS X, Windows and Linux. The C++ version is also available for iPad, iPhone and iPod Touch; an Android port is being developed right now. The Ruby version works with MRI, MacRuby and Rubinius, but not JRuby.
Visual C++ 2010 required for the Windows C++ version, but the free Express version is fine.

Gosu only provides basic building blocks:

a window with a main loop and callbacks
2D graphics and text, accelerated by 3D hardware
sound samples and music in various formats
keyboard, mouse and gamepad input

The extended Ruby/Gosu gem family:

gem install gosu
complete with examples, precompiled for Windows (Ruby 1.8 & 1.9)
gem install releasy
automatically distribute any Ruby game as a Windows executable or Mac app, by Spooner
gem install texplay
pixel-based drawing on Gosu images, by banister
gem install chingu
a library that adds more game logic, by ippa
gem install ashton
a C extension that integrates GL shaders and a particle engine with Gosu, also by Spooner
gem install chipmunk
a popular physics library with an integration example in the wiki
gem install ruby-opengl
the standard Ruby OpenGL gem works fine with Gosu to add 3D effects
(See the included example, or this fine bundle of tutorials by tjbladez. Also note this thread if you have problems installing on Windows)
gem install rmagick
a more powerful but harder-to-distribute alternative to TexPlay, example included with Gosu

Licensing