Click or press <SPACE> to change roll direction, hold to slow down and shoot! Try to survive as long as possible without letting the triangles touch the ring! My highscore is 253.4 seconds, or 4 minutes and 13.4 seconds Also, powerups will occasionally appear that are supposed to be cubes but are not, that double every shot anyone playing at that moment makes for a short while.
I got the idea from a phone game.