Originally Posted by The Dark

Go for it, it shouldn't be too hard.

I made a tetris game for DOS in 1989 (just found the source again). It even ran inside my friends TSR popup program "popdos", so you could hotkey into tetris at the touch of a button (and hide it again when the boss comes).

You could specify the random seed when you started the game, so we would play the same game against each other to see who would get the highest score. Wasted far too much time on playing it.