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Various install packages and patch updates with MAJOR chemistry tree problems I deleted my game installs purposely since I have had problems loading the solid rocket A kits into the anti-meteor system between builds 0.240.7 to 1.0. I do not recall anymore if I created a bug report to Pyramid Games. No other help as worked yet when I have asked others. Anyhow...... I am currently at build 1.2.9 used through steam, using Windows desktop, 26H2. No known issues for 26H2 is mentioned for game type errors as of October 27 by Microsoft. I was using windows 25H2 when this chemistry tree problem started happening up to 3 weeks ago. I have encountered this install problem now from versions 1.0, 1.1 and 1.2 (as listed in game versions and beta on Steam) using clean installs or patch updates. I even went back to clean install 0.240.7 (dated November 21, 2025), then a patch update to 1.0, same errors including up to 1.2.9. (There is a version 0.240.7 dated February 3, 2026, last early access before full build 1.0.) I have found the chemistry tree corrupted from the start of a new survival campaign (alpha base not checked) or sandbox colonist difficulty level. I will not be able to play the game to advance much more with the broken chemistry tree issues. Tablet-knowledge-discovered tablets CHEMISTRY - show already received at a brand new games type from versions 1.0 to 1.2 : Water Electrolysis..., Sabatier Process, Waster Recycling..., Silicate Glass Pr.., Thermite Production. Tablet-knowledge-discovered tablets COOKING - show already received at a brand new game type from versions 1.0 only : Vegetable Soup, Baked Potatoes. Any game I play from scratch does not show any new chemistry tablet obtained by me to update the chemistry tree workbench use with a new technology obtained. In the chemistry tree, using silicone purification as an example, it stays grayed. Never goes to red; even though you saw the game interaction add silicon purification to the chemistry tablet section. Can anyone else go back to a new survival campaign and a sandbox start? Tell me what you see, good or bad. Can someone provide me with an offline download installer link offered by the pyramid game occupy mars programmers or steam community administrators if available before this issue is debugged? As well as a pyramid game occupy mars cleanup utility? On the first reinstall: I verified files to be accurate. Same errors as described above, no matter what game type or version 1.0 or newer. Uninstalled game again. Cleared windows desktop local, locallow and any roaming folder information with the game. Deleted remaining steam files from \Steam\steamapps\common\Occupy Mars The Game. Some did not delete from the standard first time windows uninstall procedure. Now they are gone! Deleted occupy mars registry, Computer\HKEY_CURRENT_USER\Software\PyramidGames\OccupyMars. Shutdown then restart. I did 1-6 clean game installs all over again. Trying at version 1.2 or 0.240.7 then doing patches. Repeating steps 1-5, etc. I made sure that cloud sync was off in steam settings after the 1st computer restart and reinstall. Same problems with chemistry tree. No matter what I did. I have kept some other game saves elsewhere on my computer. I will keep these other game saves till November 10, 2026. Perhaps they will help with the software issue I am experiencing. Let me know if you want or do not want the other game save files as soon as possible. After that date mentioned, I am deleting them. I sent this to [email protected] minus the attached save files since I can not attach files within this F4 feedback communication. 165.142026-10-29
22:39:34
Hi Its was just to ask if you could help opening the door to the starship.Many thanks Francis 39.982026-10-29
18:37:42
Hi it was just to say, when I try to open the door to the starship it wont open. p.s its a great game! Many thanks Francis 59.422026-10-29
18:34:57
I have all tech unlocked except the kilopower generator. In story progression I am filling the tanks on the launch pad. I am not sure what else I am supposed to have accomplished to unlock this. Any further and I will have barely unlocked it before leaving for Earth. Also, the single most annoying bug I have encountered is the need to save and reload a game just so that I can access a workstation or storage unit. The save and load process taking so long would be tolerable if I were not forced to do it so often. Understand, I love the game. Otherwise I wouldn't be persevered through this. And I know that you are still actively clearing bugs. Just wanted to share my perspective.74.852026-10-29
14:53:18
Heavy Rover Tipper seems to have an issue recognizing inputted rocks when far away from host. (it fails somewhere between 1.1 and 3kms)25.952026-10-28
18:55:38
my complet construction of unit whith uranium transformation and big ramp for rover say that i product more than 140 elec and i can just send one unity of elec ... bug ? 60.002026-10-27
19:04:07
In multiplayer, opening the composter menu in the middle dome causes the menu to freeze, and nothing else can be done.142.892026-10-27
08:22:03
The Sabbatier reactors have a bug. The methane reactors respawn upside down on reloading the game. The only way to fix it is to scrap it and build another.60.062026-10-25
17:12:32
equipment i put in the platforms become unhooked and do not supply power anymore and become original unhooked devices also bug for clicking on interfaces that needs a reload to fix90.002026-10-25
15:17:21
Dear developers, I have found a few bugs. When renaming a waypoint via the control panel on the rover, the screen goes black, and the game has to be closed. Also, if a tank is attached to the rover, it detaches automatically when entering the hangar and then has to be dismantled. I hope this report helps you with further improvements. Best regards and thank you. (Version 1.2.9)59.932026-10-25
12:36:03
cant sit in Marstruck anymore because of something in the tipper is wrong. Reload the savefile didnt work, unstuck the truck didnt work and cant sit in it so not possible to emergency unload the tipper...143.872026-10-25
10:21:19
Everything I build on my steel platform was reverted to ground model and has lost interconnectivity. Solar panels and wind turbines no longer feeed into batteries, nothing feeds into transformer. 29.992026-10-25
03:27:29
I'm sure it wasn't positioned like this when I constructed it.. (and I think it started after loading from a save)29.972026-10-23
22:33:43
When we have a plate with plants in our arm for transmission at hydoponic ,if we could mouve the stage with plate in arms....it would be cool !! 40.002026-10-23
19:27:57
Dear team, Every time I restart the game, the stones that I cleared in the previous save are still there. They keep reappearing in the exact same spot where I mined them.59.982026-10-23
18:18:26
Hello guys ! Can you please try to make the "grab box" a bit bigger for the dead plants ? Mine died prematury, while picking them up, my inventory was full and some fell in the incubator... Im having a LOT of trouble to pick them up and now they are just flying lol Thanks for helping, you doing a great game. Another advice, make something so people can send you a screenshot of their situation in their feedback. So you guys can understand more easly their situation :D Good luck ! 59.962026-10-23
04:54:23
Had 2 bugs I've come across. When loading in from a save solarpanels on platforms seem to lose their cable connection to the grib so you have to grind them down and rebuild. Also have had a sabatier reactor that was built load in upside down when reloading a save.60.062026-10-22
19:25:59
Hola!! A veces, se bloquea el "usar" de los objetos, debo ir al menu principal y volver al juego. Tambien algunos botones dejan de funcionar, debo hacer el mismo procedimiento.15.002026-10-22
14:23:18
Hi all, Nice work really. I just encounter somme freezes since the last upgrade that it wasn't before. Have a nice day 02026-10-22
09:53:02
unlock Tech_Jetpack 30.002026-10-21
20:11:44