Dark Hours is a co-op survival horror game from Piece of Cake studios. Up to four players plan and execute heists that go awry when a monster traps them inside. Players explore five distinct environments, including an auction house, museum, casino, power plant, and cruise ship. Over 50 heist items are available, such as hacking tools and EMPs, to complete more than 12 mission objectives, which can range from stealing artifacts to escaping with loot.

Eight unique monsters, each with individual abilities, hunt the players. Gameplay involves dynamic cooperation, puzzle-solving, and stealth to avoid attracting monsters. Players build reputation with three mafia factions to unlock over 50 gear items and personalize their characters with more than 100 customization options. The game includes four difficulty levels, up to and including Nightmare Mode.