ONCE HUMAN: Underground Horror Evolves.Devourers have fully evolved. Survive the depths or be consumed. - Once Human

Dear Metas, If you encounter any issues while playing, please contact us using the following methods: PC: Open the in-game ESC menu → Feedback & Customer Support → Select Bug Report to submit your issue. Mobile: Tap the menu button in the upper right corner → Tap the headphone icon in the sidebar → Select Customer Support → Then choose Bug Report to submit your feedback.

Dear Metas, The Version 2.2.0 server maintenance and update is planned for October 29 at 4:00 PM (PT) and is expected to last about 2 hours (actual time may differ). Please plan your game time accordingly for the best experience. The update size is approximately x GB on PC launchers, x GB on the PC client, x MB on Android, and x MB on iOS (actual size may differ). We recommend downloading the update over Wi-Fi.  NOTE: If the update is delayed on Steam, it may be downloaded more than once.

Dear Meta, After the version update on October 29(PT), 2025, we will launch scenario servers with the Visional Wheel tag for Deviation: Survive, Capture, Preserve. To help you prepare, here is the server launch schedule.