Highschool53 — Steam game overview

Stored observation / content update: 2026-10-26T00:30:53.000Z

Highschool 53 is a first-person psychological survival horror game. As a technician trapped in a decommissioned school, use maintenance tools to hack systems, weld doors, and evade feral genetic experiments. Uncover the dark truth of the Erebus Protocol before the facility consumes you.

Upcoming game. Player and sales observations may not yet exist.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.