A very simple game, yet so addicting and fun. I still own a copy of it for the original Gameboy! I'm sure almost everyone has played this game, so you all know exactly why this game is so great. It has hours upon hours of playing, and not one playing session is the same!
The Tetris that came out on the DS was amazing as well, wish I still had my DS so I could play it. Loved the "tower mode" (or whatever it was called).