Steam game

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.

Coming soon

By Lost Input Game

Windows Controller: full
View on Steam
Experiment 404 - Lost Input Game. Popular.
Screenshot of Experiment 404 gameplay showing in-action mechanics Screenshot 2 of Experiment 404 - additional gameplay view Screenshot 3 of Experiment 404 - more gameplay footage Screenshot 4 of Experiment 404 - final gameplay screenshot

Overview

About this game

  • 6 unique endings

  • More than 40 anomalies

You are a botanist participating in Experiment 404, your goal is to complete 12 sessions and report any unusual activities. Pay close attention to your surroundings and stay alert, or the looming overlord might decide to end the experiment early.

Gameplay

Anomalies may appear in Room 404. Spot them. Report them. Fail—and the chamber will punish you in ways most unnatural.

Remove weeds from the plants and dispose of them properly to satisfy the looming overlord watching your every move through the cameras.

Replayability

No two playthroughs are the same. Experiment 404 branches into 6 different endings, each shaped by your accuracy in spotting anomalies and the choices you make under pressure. Every action is logged by the unseen observer, deciding whether you earn freedom, revelation… or something far, far worse.

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