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Reentry - A Space Flight SimulatorNewsPatch 1.0.84 - Mercury "Game Over's", Apollo fixes, bug fixes
In-game event

Patch 1.0.84 - Mercury "Game Over's", Apollo fixes, bug fixes

Reentry - A Space Flight Simulator · published 4 May 2026, 07:07 UTC · build 23073294

All newsPlayers around this dateRead on Steam

Hello virtual astronauts!

After a long month of administrative and tax related tasks I am back to finally be able to fully focus on development again. The game will transition to version 1.1 very soon but before doing so I wanted to roll out a smaller patch with some fixes. Please recall that the 1.0 -> 1.1 transition will not contain any major new features as this is the transition from working in a reactive state, fixing the 1.0 issues and bugs, to starting the 1.1 working blocks. See the in-game Roadmap for details.

You can always revert to a previous version via the Steam Betas tab if needed. The latest previous version is: 1.0.51. The rollback option is there to ensure smooth user experience in case something does not behave as expected.

Mercury "Game Over" fixes

This update fixes an issue with the Mercury oxygen and suffocation logic. A change to the Mercury ECS way back had caused the suffocation and fire/smoke logic to not trigger correctly, leading to not getting a game over. The logic measures the amount of oxygen in the Cabin and Suit, and if they are depleted, you will have a few minutes left to correct it before the Game Over screen is triggered. The temperature/burn logic has similar checks that should now work again, where high temperatures in the cabin and electrical systems can cause fumes, smoke and fire. This has to be corrected fast, or the high temperature and fire will make systems malfunction (even if Random Failures are turned off), or even cause a game over depending on temperatures.

Lunar Rock Generator

This patch also corrects the Lunar Surface rock generator (large and small rocks) to prevent it from spawning rocks under the craft as you load into a lunar stay saved stated, and improved a few other things to the generator. Keep in mind that the entire lunar surface "world" has a planned overhauls towards 2.0.

Command Module Tower Jettison

I fixed an issue and improved the logic (thanks Amaryllis) of the Command Module tower jettison system. The switches are now momentary, and the internal logic related to it has been improved. In a future update I will also roll out a Realism Setting that will require you to manually flip these switches during ascent to jettison the tower.

Apollo fixes

The patch also contains some minor fixes related to other Apollo systems and features:

  • I have also improved the logic related to the AGC and the EPS, where the AGC COMT ACTY light would be locked in an on-state even when no power is supplied.

  • When requesting a P30 PAD, some of the PAD fields was not correctly aligned, so I made a fix for that.

  • I have improved the logic of the CM/LM latch pressure flow system.

May the 4th be with you.

Patch Notes:

  • Mercury/Gemini ascent guidance stability updates

  • Minor corrections to Apollo 13 transmission text

  • Improvements to the Lunar Surface rock generator

  • Lunar Ascent burn request labelling fixes

  • Fixed an issue with the AGC COMP ACTY light while computer is off

  • CM P30 PAD updates

  • Mercury O2 and suffocation fix

  • Mercury temperature and heated equipment fixes

  • Fixed an issue preventing players using the French translation from requesting a Lunar Ascent.

  • CM/LM hatch pressure flow updates

  • CM Tower Jettison 1/2 momentary switch fix

  • CM Tower Jettison logic updates

  • Continued to iterate on the GDC align logic

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