Playing now
1−1 vs. yesterday
All-time peak
13Jun 2026
| Published | Title | Build |
|---|---|---|
| 1.0.3 Public Test Build Revision 2 Hello! Only around a day since the release of this test build and I've gotten some amazing feedback. Due to this, I've managed to put together some small changes and bug fixes that should make the update more enjoyable. Please remember that if you wish to submit feedback, either do so in the Community Discord server using the feedback, suggestions and bug reports channels, or send me an email a… | 23822389 | |
| 1.0.2a Changelog This is a small update but I hope it makes the game a little better regardless, Merry Christmas and Happy New Year! · Completely new button SFX (From real RBMK equipment) · Bug fixes · Physics Tweaks | — | |
| 1.0.2 Releasedmajor 1.0.2 Changelog New Content · Added the ability to manually zoom in and out with the scroll wheel (along with still having a manual zoom with right mouse) · Temporary Christmas main menu theme · Various bug fixes · Various physics tweaks (For the full list, check the PTB patch notes) Important Notes · The AR system is still being worked on, and will be added in a small patch down the road · In… | — | |
| Version 0.12.4 | Bug fixes and malfunctions Content · Random Malfunctions, UZS and UZSR sensors, AR, and AZ-5 can now malfunction. · Added some new annunciators. Changes · Modified some annunciator functionality. · Changed blackouts to run on the same logic as malfunctions for consistency. · Changed EPS cover SFX. Bug Fixes · Fixed a bug that caused the reactor period sensors to become desynced on the client. · Fixed a bug that caused EP… | — | |
| Version 0.12.3 | Bug fix, quality of life, and feature update. Content · Automatic shutdown systems are now re-enabled. · Pumps now wind down far slower. · Channel ruptures can now be heard from the control room. · Modified the conditions and worsened the affects of a channel rupture. · Added a new pause menu and settings menu. · VSync can now be enabled. · Your FPS limit can now be changed. · Added player nametags. · Added a new music system (Unfinished).… | — | |
| Game update / information This is a pretty small update for the game its self, there are very few things of note, however these are the changes: Updated the login screen with a nice new animation and the actual game logo Made some changes to multiplayer to improve the server list Removed debug buttons from the control room Fixed player nametags Important information: The game isn't going to be receiving any updates on t… | — | |
| Multiplayer Fix Multiplayer has been fixed, I've also added voice chat, however I haven't tested it yet, please let me know in the Discord if it works. | — |
| Date | Day | Time | Patch title | Build ID | Branch | Depots | Download Δ |
|---|---|---|---|---|---|---|---|
| 19 Jun 2026 | Fri | 13:41 | 1.0.3 Public Test Build Revision 2 | 23822389 | public-test-build | 2 | — |
| 21 Feb 2026 | Sat | 03:10 | No patch notes · unannounced build | 22029921 | public | 2 | — |