Está super sencillo pero me gustó mucho, si pasé un buen rato jugandolo, Muy buen trabajo!
Game: Beat Flight
Executable or Installer
If you have Flash Player installed simply double click on the .swf file to play, if you don't, use your browser (preferable Chrome or Fire Fox), simply drop the .swf in a new tab to start the game.
Beat Flight is made with Flixel, sin this folder is included all the game assets and code needed (Flixel included with Flixel Power Tools) to compile and make your own build of the game. Simply make a new project in Flash Builder add the files and build.