1) space bar to launch the cannon 2) up/down to change the speed 3) right/left to rotate cannon 4) a/d to rotate mountain Keep the cannon-ball in orbit for 150 steps to get to the next level. The high score is only for level 3 & 4. Let me know the parameters if a stable orbit is found for level 3 & 4. Featured August 21. Thanks all! I don't know why all high scores aren't saved. (I should have saved the winning parameters as well.) Edit: Changed it so it's possible to fine tune the parameter-changes for level 3 & 4. Press s while pressing another key to make smaller changes.