"Killing Floor" is a cooperative first-person shooter game that pits players against hordes of mutated specimens that have taken over the world. Set in England after a failed experiment by the Horzine Biotech corporation, players must work together to survive wave after wave of grotesque creatures. The game emphasizes teamwork and strategic coordination as players choose from a variety of classes, each with unique abilities and weapons, to fend off the relentless horde.
Players earn money for each kill, which can be spent in-between waves to purchase better gear, weapons, and ammo. The game features a wide range of enemy types, from quick and agile specimens to large and terrifying boss monsters. With its intense gameplay, challenging difficulty, and emphasis on effective teamwork, "Killing Floor" offers a thrilling and action-packed experience for fans of cooperative shooters.