Zombie Slayer is a Doom 3 mod that incorporates gameplay from games like Dragon's Lair and Shenmue, but with a twist - you have three chances to successful input the correct key. Fail three times, and you are dead.
The chapter load screen of the main menu.
It looks absolutely horrible.
It is pretty gruesome...This is the chapter select menu, however. If you're looking for actual gameplay, please look elsewhere.