Experiment 404
Lost Input Game · 2026 · Horror, Psychological Horror, Walking Simulator, Choices Matter, Immersive Sim
PC
Best price
Free
This game is free to play.
About Experiment 404
Room 404 repeats. Identify anomalies, file reports, and stay alive—some anomalies might hurt you. Nurture the plants, listen to the overlord, end the loop, and unlock multiple unique endings.