if you like DOOM you should checkout DOOMBUILDER, Ive just started creating my own levels,not as hard as I thought, bit of stuffing around with wads and lmps though
CIVILIZATION 2 CALL TO POWER 2 SIMEARTH ASCENDANCY [If even 25% of the online ideas suggestions for the upcoming Civilization 4 are adopted by the programmers, that game will surely be the best ever.]
OY! What do you think I play on my Graphics Calculator in Maths class to relieve my boredom??? GRRR. Don't diss Tetris.