Penumbra: Black Plague -

: There are no melee weapons. If an enemy spots you, your best option is to run and break their line of sight by hiding in a dark corner.

In Black Plague , you are largely defenseless and must rely on your wits to stay alive. Penumbra: Black Plague

: Unlike other items, the gas mask does not expire. Keep it ready for areas filled with toxic gas, which can kill you in seconds. : There are no melee weapons

Many puzzles require interacting with the environment in creative ways. Penumbra Black Plague Puzzle Guide - Steam Community Penumbra: Black Plague