DOOM Triple Pack is the ulimate ID Software compilation.
This flash game includes the 3 classic shooting games: DOOM, Hexen and Heretic. Much fun!
W, A, S, D - movement
Click screen + drag or LEFT/RIGHT ARROWS - turn
SPACE - fire
R - use door/switch
SHIFT - run
ESCAPE - menu
TAB - map
NUMBER KEYS - change weapon
[ and ] - cycle through inventory (Heretic/Hexen only)
ENTER - use inventory item (Heretic/Hexen only)
Q - Jump (Heretic/Hexen only)
You can also customize the keys in the Controls menu!