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Terraforming MarsNewsTerraforming Mars 2.9.0 - Patch Notes
Game update

Terraforming Mars 2.9.0 - Patch Notes

Terraforming Mars · published 24 Apr 2025, 08:09 UTC

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Mission Journal: Patch #2.9.0
Date of entry: 2149/02/11

Agricultural pod 3 reported a sudden drop in internal humidity levels at 06:23 MST. Initial diagnostics suggested a fault in the misting array, later traced to a cracked valve in the secondary water line—likely stress damage from last week’s temperature fluctuations. Engineering isolated the line, replaced the faulty component, and recalibrated the delivery schedule. Humidity has since stabilized and crop health remains unaffected.

Patch Notes — Terraforming Mars 2.9.0

  • Fixed softlock when a player leaves a game and is replaced by AI.
  • Fixed the picker to allow the selection of several resources.
  • Fixed selecting Venus during the Solar Phase creating chain-Nullrefs and locking the game.
  • Fixed Wild tag issue on Gyropolis.
  • Fixed softlocks in the tutorial.
  • Fixed Mining Guild being granted a Steel production when placing an Ocean during Solar Phase.
  • Fixed UI hitboxes of "return to previous screen" being too big.
  • Fixed errors appearing regularly but not blocking the game.
  • Fixed glitch of Viron’s action.
  • Fixed card action of Asteroid Deflection System not displaying.
  • Fixed resolution setting coming back to the resolution of the screen when changed in windowed.
  • Fixed colorless Greeneries during the final Plants conversion phase.
  • Fixed discounts in the log showed with current discounts instead of discounts that applied when played.
  • Loc fixes.
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In-game event9 Jun 2026Terraforming Mars 2.11.6.3459/886Mission Journal: Patch #2.11.6.3459/886 Date of entry: 2182/11/028 - Communication minimal - Readings are within acceptable range Patchnote · Fix of an issue with DLC unlock via product keys. · Fix of a server sync issue. · Fix a store achievement getting the game stuck if the store is offline. · Fix a game loading issue. Thank you all! The TFM TeamIn-game event7 Apr 2026Terraforming Mars 2.11.6.3444/884Mission Journal: Patch #2.11.6.3444/884 Date of entry: 2182/08/014 - Conditions are improving - Oxygen reached optimal level - Life finds a way Feature improvements · Steam Deck full compatibility. Bug fixes · Fixed resuming game issue with Prelude, Valley Trust & Extended Start. · Fixed in the Card Resources/Actions/Effect pop ups, when displaying the amount of resources a card is holding, the…In-game event19 Mar 2026Terraforming Mars 2.11.5.3420/880Mission Journal: Patch #2.11.5.3420/880 Date of entry: 2182/07/022 - Atmosphere and temperature stabilized at 80% - We're still monitoring. Feature improvements · New Solo Challenge optional rule: Extended Start. During setup, choose from 3 Corporations and 6 Preludes (if the Prelude DLC is active) instead of the normal 2 and 4. · Better feedback for online player search. Bug fixes · Fixed a so…