Kreed

Kreed is a sci-fi first-person shooter video game released in 2003 that puts the player in the role of a space marine fighting a religious cult that has taken over a mysterious cross-dimensional anomaly. Set in the 30th century, the game features futuristic warfare, aliens, and a story of a religious sect worshipping a cosmic anomaly called the Kreed. The gameplay involves a straightforward shooter experience through levels like ship corridors and ventilation shafts, where players fight both aliens and humans.