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Corridor 13

Corridor 13 is a first-person psychological anomaly horror game set inside an endless, abandoned school corridor. Players awaken as a young girl trapped in a looping hallway where every detail may be a warning, every sound may signal danger, and every wrong decision sends them back or kill them. To escape, players must carefully observe their surroundings and decide whether to continue forward or turn back. If everything appears normal, they move on. If something is wrong, they must retreat. Reaching Corridor 13 requires twelve correct decisions in a row — but as the loop progresses, the anomalies become increasingly dangerous. Unlike traditional “spot the difference” horror games, Corridor 13 introduces hostile paranormal encounters, environmental traps, chase sequences, unsettling audio cues, and escalating supernatural events. Whispering children, flickering fluorescent lights, flooded rooms, mirror-based anomalies, and humanoid figures lurking in the darkness turn the familiar school setting into a place where memory and perception can no longer be trusted. Built in Godot by a solo developer from Germany, Corridor 13 is designed for fans of psychological horror, liminal spaces, anomaly games, Backrooms-style atmosphere, and tense first-person horror experiences. The game features 40+ planned anomalies, randomized progression-based anomaly pools, and Endless and Hardcore modes.