Redfall is an open-world first-person shooter set on a vampire-infested island where players team up in co-op mode to hunt the undead. The game blends fast-paced gunplay with immersive-sim elements, offering both single-player and four-player cooperative missions. Players can choose from four distinct characters, each with unique abilities, and explore a semi-linear environment while completing story quests and side activities. Notable features include dynamic weather, a day-night cycle, and a loot system that rewards exploration.