Rubygame not working: 'load_library': Could not load SDL...

Why can't I run RubyGame?...

can not install rubygame successfully...

how to detect collison between a circle and a block?...

Rubygame: attempting to enable passing arguments to define game screen size...

Rubygame::TTF - The difference between a string's width and the width of all it's characters...

Why rubygame and gosu are slower than pure opengl?...

Rubygame on OS X shebang problem...

Simple 'or' isn't working as expected...