Doom

Game Description:

Presenting the greatest game of all time, now playable in your browser! This is the first episode of DOOM, first person shooter by id software that started it all. Get to the exit, kill the monsters, and survive Doom!

Game Instructions:

Use arrow keys to control your character.

Kill all the monsters and find keycards to open locked doors. Get to the exit!

Strafe with Q and E, fire with space and use R to open doors.