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79% positive of 164 · Mostly Positive · Live from Steam
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A co-op RBMK reactor simulator, with a detailed control room, realistic physics and authentic sound design
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Review score: 79% on 2026-11-01 → 79% today (164 reviews)
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Does not work on Steam Deck. Results from Valve's own testing.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
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 subm…
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 fixesPhysics Tweaks
New content Added an optional tutorial to also help newer players Added optional challenge modifiers for players who have started the reactor at least once Added various extra labels to help newer players Added some extra annunciators to reduce some confusion …
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…
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. VSy…
Hello! The 1.0.3 public test build is now available via the Steam "betas" tab and will continue to be available over the next few weeks, all the while I will be taking user feedback and possibly releasing subsequent test builds before publishing the final buil…
Hello again!The state of 1.0.3 Following the recent pause / break, I've made enough progress on the 1.0.3 update to release a public test build, this is not the complete update and is still missing the tutorial and a few other things.When is the PTB coming out…
What did "parting ways" mean? Unfortunately a lot of people saw the phrase "parting ways" and assumed it meant I was canceling development. This is not the case, and instead purely refers to me severing my relationship with the games publisher. What is happeni…
I'm going to quickly prefix this announcement by saying that this is far more direct than normal, but regardless I think honesty and directness is important here. Wrenchy Productions Alright so I'll just cut to the chase here, I'm cutting ties with Wrenchy Pro…
1.0.2 ChangelogNew 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 P…
I haven't directly announced this on Steam until now (Only in the Discord previously), however I've been running some test builds for the 1.0.2 update, and the first mass scale one is now live on the public-test-build branch. It should be noted that this is no…
RNPS's 1st birthdayIt's officially Rasvyats first birthday! To celebrate this milestone, I'm doing a 15% off sale. It's been a pretty crazy year since the release of the game, and I genuinely appreciate every single one of you :)RNPS 1.0.2As those of you insid…
Around a week ago I released the 1.0.1 update, and upon doing so many of you were probably disappointed by how little the update actually added in comparison to how long it took, so I thought I'd shed a little light on why it took so long, the rough history of…
Hello! I've been working on RNPS a lot over the last few weeks, and I'm looking for some testers to help me test some things here and there, however I should make it very clear that being a tester doesn't mean you just get early access. You'll be preforming so…
I'm sorry for all the issues that are happening with Rasvyat at the moment, such as the "Spawning Player" bug, or the horrible optimization and the numerous other bugs. I'm genuinely doing my best to fix them as I care about this game and about all of you, but…
Rasvyat has released 3 days late, sorry for that, however it is now out, there's currently no in game tutorial, sorry, however the game is now available. There are currently a lot of bugs however they will be resolved in the coming weeks, there is a multiplaye…
Preparing for release progress report I have hired my first map builder to help out, Ade, because of Ade the release will have a fully flushed out control room. Beyond this, I have added several new things myself: A new pump system which will be finished at so…
As previously announced, the release date was delayed to June 30th, however this unfortunately clashes with a Steam sale which would affect the games visibility on release day, which would mean less players and a worse experience overall. As a result the final…
Hello everyone, as the title states, Rasvyats release date has been delayed. Previously I made announcements on Steam, Discord and YouTube asking if you wanted to delay the initial release due to development being behind schedule, and the majority of you HAVE …
The game is currently in a buggier state than expected around the general time of release, I could release it now in its current state, however this would lead to the game having many unfinished features and completely broken things as is, I'm currently runnin…