Well, if you ever wanted a really difficult version of Qix, this game is for you. Arrow keys to move, space to change menu options, and Enter to select (or instantly Game Over, once the level starts) Controls are kind of stiff, so you'll need to hold the arrow keys down. There's a poorly-defined snake in the center, and an extremely aggressive enemy that follows your established lines. I couldn't get past level 2 on it.