Demon: Hell Keeper is the simplest 2D platformer with survival elements in which you need to complete hardcore levels as Demon. In this game, your main task is to collect various items. Also, do not forget about the various traps and obstacles that await you throughout the game. After all the items on the level are collected, a passage will open for the Demon, passing through which he will fall into his underworld. Be careful and careful, think over your every action and every step you take, and then this game will not make you bored.