> happening constantly almost since the inception of the app stores. Or maybe since the inception of gaming: http://en.wikipedia.org/wiki/Artillery_game http:

> happening constantly almost since the inception of the app stores. Or maybe since the inception of gaming: http://en.wikipedia.org/wiki/Artillery_game http://en.wikipedia.org/wiki/Artillery_game http://www.pong-story.com/mypongs.htm http://www.pong-story.com/mypongs.htm http://www.mobygames.com/game-group/asteroids-variants http://www.mobygames.com/game-group/asteroids-variants http://en.wikipedia.org/wiki/Centipede_(video_game)#Clones http://en.wikipedia.org/wiki/Centipede_(video_game)#Clones (etc.)