This game is very good at occupying you for about three days. After that, you forget either forget about it, delete it, or smash your calc for not being able to beat the AI ;).
Nothing extraordinary about them, but nothing bad either. However, the ball does sometimes seem invisible when it is going top speed.
As I said, the ball sometimes goes too fast. Also, the ball occasionally ignores the slime and hits the floor right through the slime (this is one way I beat the AI).
Single-Player AI: 7/10
There are two choices: either you smash your calc because the AI seems invincible or you fall asleep because the AI is so freakin' easy (I fall into the latter of the two categories).
It's nice to be able to play 2-player on one calc, but Gordon has an advantage over Walter because the arrow keys are located closer together than the number keys 1,3, and 5.
A pretty good game which needs some improvements.