Here are a couple drinking games for the 1998 SurvivalHorror RPG VideoGame/ParasiteEve.

'''Main Game'''

* Easy mode: no marks
* Moderate mode: ! (use this plus unmarked)
* Hard mode: !! (use this plus ! and unmarked)

''drink when...''
* Someone says Mitochondria
* Something is on fire (extra hard mode: once for each thing on fire!)
* ! You spot some innuendo
* ! You got more than two junk from a battle
* !! Once for each breast you see on Eve whenever she shows up (heaven help you)
* !! You are out of ammo

'''EX Game'''

This is harder than the main game drinking game, but there are still ways to make it harder!
* Easy mode: no marks
* Moderate mode: ! (use this plus unmarked)
* Hard mode: !! (use this plus ! and unmarked)

''drink when...''
* You are out of ammo
* You find a gun or armor worse than your current one
* ! More than three monsters are on the screen at the start of the battle
* ! You are out of medicine
* !! You got lost
* !! You are out of storage space