Phileas Frog is a free and open source video game using Cocoa`s CoreAnimation and developed using MacRuby.
While playing Phileas Frog you will have to collect as much falling gems as possible and do your best to avoid the bombs and boulders.— Read more Building from source: Double click the included Xcode project and choose Build from the Build menu in Xcode. This will build Phileas Frog in the "/build/Debug" folder inside the source directory.