A co-op simulator in which you operate an RBMK-1000 reactor.
We are not affiliated with IsThereAnyDeal.






Start up the reactor and keep it stable using real-time physics calculations without triggering the automatic safety systems. Various events can occur, including various system malfunctions, power outages, and more.
Every action made by you and your fellow operators has an effect, even a random choice you made could cause a problem an hour later, any mistake threatens the reactor, risking a reactor trip, damage to equipment or even a reactor meltdown.
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.






Start up the reactor and keep it stable using real-time physics calculations without triggering the automatic safety systems. Various events can occur, including various system malfunctions, power outages, and more.
Every action made by you and your fellow operators has an effect, even a random choice you made could cause a problem an hour later, any mistake threatens the reactor, risking a reactor trip, damage to equipment or even a reactor meltdown.
A co-op simulator in which you operate an RBMK-1000 reactor.
We are not affiliated with IsThereAnyDeal.
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.