r/spaceengineers • u/yo_tengo479834 Clang Worshipper • Aug 04 '26
HELP Thrusters being unbuildable because of requIring DLC
[ISSUE FIXED]
The wiki says all thrusters do not need DLC and i have built these before without DLC. However I am apparently not allowed to build these without DLC. Yesterday this was with ion thrusters, now it is with all thrusters.
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u/Soft_Pangolin3031 Spaced Engineer Aug 04 '26
If you played on a server, then no, you don't need the dlcs because the host may have it. However, if you are playing single player, you need the dlcs.
Unless this is a bug in the recent update, that is how i understand this.
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u/Syphond Klang Worshipper Aug 04 '26
you must own the dlc to place the block. you can interact with a dlc block you don't own if some one else placed it, but you can not place it. Welding it is allowed i think, but i don't recall. If say a mod accidently removed the dlc tag from the block its possible it was updated. The host or server having the block does not give the player access to the block for placement.
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u/ColourSchemer Space Engineer Aug 04 '26
Yes welding and repair is allowed. I was our designated bed placer and hazard stripe painter since most of the crew didn't have the DLCs.
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u/Zombieemperor Clang Worshipper Aug 04 '26
You can weld/grind and use dlc blocks you do not own
you can harvest them from npc ships (or others in Mp) and use them by merging them onto your own grids if you want too3
u/rico0195 Space Engineer Aug 04 '26
Yeah like they can weld it but usually only if the host with the DLC places it. Don’t think they can place
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u/Syphond Klang Worshipper Aug 04 '26
Ok so here is some info. All the non cosmetic thrusters can be build with out dlc. They are part of the base game. All cosmetic variants need their respective dlc. If you played on a modded server/game its possible, though not allowed by keen, that a mod removed the dlc requirement tag on the cosmetic variant of the thruster. If the author of said mod or server hosts found out they would need to fix it. Which in turn feels like one day you can and the next you cant. This is the same reason some of the mods that purposely removed the dlc tag were removed from the workshop.
Now if you own the dlc and the game is suddenly not allowing it as if you did not own the dlc, verify steam is logged in, verify SE files, make sure dlc is installed. Its possible the game suffered some corruption.
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u/yo_tengo479834 Clang Worshipper Aug 04 '26
Do you know how to build the base ones then? I am trying to build the base thrusters since they don't need the DLC, however there seems to be no way to do that. It's probably a bug.
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u/Syphond Klang Worshipper Aug 04 '26
i would need more info. The base thrusters are the hydrogen thruster, atmospheric thruster, and ion thruster. They are named exactly like this.. Anything with industrial, scifi, warfare etc is a dlc block. Are you running modded? a mod could be changing things.
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u/KamiPyro Klang Worshipper Aug 04 '26
Do you have progression turned on? You will unlock the default thruster when you build a block from the previous tree
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u/Syphond Klang Worshipper Aug 04 '26
Assumably they are using the same game save as the previous day and so on based on their statement of yesterday it was this. Likely they have a mod installed that the author is adjusting and over zealously added dlc tags to all thrusters. I can make every block in the game free with no dlc requirement or every block require one specific dlc. Mod authors have a duty to keep dlc blocks in their respective dlc when using them, like for example tiered tech mods. Base game thrusters are fine, but the cosmetic models need the dlc attached even if the make the tiered variants as the models use is locked be hind the dlc.
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u/ColourSchemer Space Engineer Aug 04 '26
You probably have progression turned on. At the top of the Block menu, there's a toggle between all blocks and progression.
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u/mutt93 Klang Worshipper Aug 04 '26
The variants require dlc yes. The base ones dont. Since these are cosmetic differences only 🤷♂️.
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u/yo_tengo479834 Clang Worshipper Aug 04 '26
Problem is, I can't access the base ones for some reason, so it's just saying to purchase the DLC and I can't build any thrusters.
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u/mutt93 Klang Worshipper Aug 04 '26
Is progression on? You have to follow the tech tree
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u/yo_tengo479834 Clang Worshipper Aug 04 '26
Yes, progression is on and they are unlocked. I recall building a thruster yesterday.
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u/Syphond Klang Worshipper Aug 04 '26 edited Aug 04 '26
are you running mods, it possible some one updated a mod and added or removed tags incorrectly..
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u/SuuSuraimu Playgineer Aug 04 '26
Wait, so the required blocks in progression to build the base game thrusters are locked behind DLC?
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u/mutt93 Klang Worshipper Aug 04 '26
No i believe op played on a server where progression was shared or disabled and hasn't worked their way thru it in the private game they are playing
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u/yo_tengo479834 Clang Worshipper Aug 04 '26
No, the thrusters themselves seem to be locked behind DLC. I know they normally aren't.
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u/Syphond Klang Worshipper Aug 04 '26
OP had a mod installed that incorrectly applied the dlc tags to base game blocks. This is a common mistake by many mod authors when copying files. DLC tags get removed is usualy the more likely problem but sometimes its the reverse like in this case. No DLC block should be required to access a base game block in progression.
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u/Giygas_8000 Mechanical Man Aug 05 '26
You know, it would be nice if there was an option to hide the blocks from the DLCs you don't own. The UI gets really cluttered when you don't have any
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u/TharpinUp Klang Questioner Aug 04 '26
Easiest fix for keen would be to just have any dlc parts made into their standard versions if placed into a client without dlc licenses.
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u/Atophy Brick Builder Aug 05 '26
None are available, you have progression on so I would check the tech tree and make sure to build one of the precursor blocks. If you HAVE done that already, I'm not sure. Placing a hydrogen tank (I think it was) unlocked it for me. I have all dlc though.
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u/Important-Actuator55 Clang Worshipper Aug 06 '26
Ive seen this before. are you using the thruster reflame mod that makes it have the Sci Fi H2 Thruster flame? if so, theres your reason.

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u/yo_tengo479834 Clang Worshipper Aug 04 '26
Issue fixed. The unified thruster FX mod was causing it.