
- Simulation
- Strategy
- Early Access
Game
Cosmoteer: Starship Architect & Commander
A starship builder perfect for fans of games like FTL, Starsector, SPAZ, Space Engineers, Escape Velocity, Avorion, and more. Design awesome starships using intuitive ship creation tools that are easy to learn but hard to master. Fully customize your ship's shape and floor plan, choosing where to place individual modules including weapons, engines, hallways, and crew's quarters. Your ship's design is key to its survival, and every decision you make will impact its performance in battle.
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
About Cosmoteer: Starship Architect & Commander
- Released
- October 2022
- Developer
- Walternate Realities
- Engine
- Custom C# Engine
- Platforms
- PC (Microsoft Windows)
Release, studio and platform data from IGDB. Store links go to the sellers, not to us. We do not sell games and we do not host files.
Browse everything
Sorted, filterable and paged. Every link goes to the author’s own download.
From the developers
Official announcements, newest first. Posted on Steam.
- Community AnnouncementsHotfix 0.30.4c Patch NotesBugfix: When running in developer mode, mods that add new ship classes would crash the game during loading with a "cannot be used in the demo" error. (This bug was introduced in yesterday's 0.30.4b hotfix.)
- Community AnnouncementsHotfix 0.30.4b Patch NotesPossible fix for rare, random crashes during gameplay. Attention Linux Players: We're aware that many of you are experiencing random and often frequent freezes/crashes since the 0.30.4 update. We're currently in communications with the Proton team about these, and they need your Proton log files in order to investigate the issue. Please see this FAQ about how to turn on and find the Proton log...
- Community AnnouncementsHotfix 0.30.4a Patch NotesBugfix: The game would sometimes load forever while jumping to a new star system. When updating an existing Steam Workshop item, the name, description, and preview image will no longer be updated unless you specially check a box to do so.
- Community AnnouncementsUpdate 0.30.4 - Ironman Mode, Balance Changes, New Ships, & Bug FixesCosmoteer update 0.30.4 is now available! This is a small update that adds "Ironman Mode" to Career, adds new ships, improves balance, and fixes bugs.Enjoy!Patch Notes: Balance: Small Shield (Overclocked): 'Extended' health reduced (15000->12000) 'Reinforced' health increased (30000->39000) Flak (Overclocked): Reduced shrapnel cloud health (800->400) Reduced shrapnel cloud lifetime (7s->4s) Rea...
- Community AnnouncementsRelease Candidate 0.30.4 - Ironman Mode, Balance Changes, New Ships, & Bug FixesCosmoteer release candidate 0.30.4 is now available for testing! (To play this release candidate, you must opt in to test it. Please see this post for info on how to test release candidates.)This release candidate adds "Ironman Mode" to Career, adds new ships, improves balance, and fixes bugs.Thanks for testing!RC1 Patch Notes: Balance: Small Shield (Overclocked): 'Extended' health reduced (150...
- Community AnnouncementsHotfix 0.30.3d Patch NotesBugfix: In single-player, detonating an Explosive Charge while hovering another part would crash the game.
- Mods indexed
- 4.7k
- Versions
- 0
- Newest tracked
- none yet
- Most disruptive update
- No breakage data for this game
Most downloaded
Measured from the source's own counts, summed across every release.
- Galactic AllegianceGalactic Allegiance is an ambitious mod that adds many new weapons, thrusters and more! Originating from Cosmoteer Classic, GA is a throwback to a simpler time in Cosmoteer Modding, and features many parts from the classic mod, as well as many new ones. Currently compatible with 0.30.1+ Notes: -...103.7k downloads
- More Crew QuartersWhat is this ? This mod adds different sized crew quarters so you can have better options for assigning crew to different roles. Features Added Crew Quarters; Twin Bunk (3x1) - 4 Crew Members Quad Bunk (3x2) - 10 Crew Members Dormitory (3x3) - 16 Crew Members Barracks (4x3) - 24 Crew Members Resi...95.0k downloads
- Bigger Storage (x10)This mod increases the storage capacity of every storage cell tenfold. Simple as that.77.4k downloads
- More Doors for Crew QuartersIncreases the maximum doors you can put in a Crew Quarter. If you want to have more crew in career mode use my mod:64.8k downloads
- More Galaxy SizesAdds more galaxy sizes to choose from to the career mode. Now compatible with faction mods. Includes: - Miniscule (10 systems) - Tiny (20 systems) - Small (35 systems) - Large (75 systems) - Very Large (100 systems) - Huge (150 systems) - Gigantic (200 systems) - Way too big! (500 systems) For co...61.2k downloads
- Optimal Storage [Deprecated]A shocking scientific breakthrough! Cosmoteer scientists discovered that if you keep stored resources in boxes instead of piles, storage capacity of every dedicated slot increases tenfold! Features Increases stack capacity of all resources tenfold and gives bigger stacks unique art. In addition,...53.7k downloads
- Better Mining LaserBetter Mining Laser - Increase range from 100 to 400 - Increase firing arc from 270° to 360° - Increase rotation speed from 30 to 45 - Laser's can't be blocked by other turrets53.6k downloads
- Color-Coded Resources Mod - Vanilla Style [0.20.18+]This mod color-codes the natural resource icons that appear on the map and ship. 🟢 YELLOW BUG FIXED: Please, everyone give a big round of applause to @RustyDios <-MVP right there.👏👏👏👏 He was kind enough to share his findings and solution to the problem of the Yellow Resources. This mod color-code...52.1k downloads
- [WIP]Weapon Turrets - turret versions of vanilla weapons.Adds turret versions of existing weapons to the game. Turrets are slightly wider than hull mounted versions, but shorter, with the exception of Flak Turret. This is due to size of turret heads, so they could rotate freely within range of building. Actual turrets that shoot over the roof! They req...51.0k downloads
- AAT BETA 0.6.3.3Ce mod vise à ajouter des nouvelles variétés de partie en jeu. Tel qu'actuellement, vous avez deux nouveaux blocs d'armures, le Lourd et le Léger. Ainsi aussi, des couloirs améliorés, coutant plus cher mais permettant de faire déplacer vos membres plus vit41.9k downloads
- Venator Class Star DestroyerThe Venator-class Star Destroyer was the Galactic Republic's main capital ship during the Clone Wars (22-19 BBY) and also also served as a starfighter carrier and command ship. This is a recreation of this ship in Cosmoteer at a rough 1/10th Scale! (with some artistic liberties taken to make it w...41.4k downloads
- (Legacy)Super Battleship Main GunOriginal author:电脑玩家娜塔莎(Natascha/Nep) Add some huge battleship main guns. 381mm/42 MK Type I Double Mount Turret 510 mm/45 98 type double mounted turret 460mm/45 94 type triple mounted turret 431mm/50 1940 quadruple turret ====================== 原作者(电脑玩家娜塔莎(Natascha/Nep) ====================== ==...41.0k downloads
- Mineable MegaroidsReplaces all empty asteroids with large asteroids which contain iron AND copper and often also contain trace amounts of carbon, hyperium, tritanium, uranium or gold. I like to use Mineable Megaroids together with one of my other mods Less Dense Asteroids which reduces the density of asteroid fiel...40.7k downloads
- Asteroid Mining - RichIncreases the amount of ore dropped when you mine an asteroid vein. Default game ore drops are randomized between (1, 2 or 3 drops) per vein, for both soft and hard veins. Affects Sulfur (S), Copper (Cu), Iron (Fe), Gold (Au), Tritanium (T), Uranium (U), Carbon (C), and Hyperium. - Doubles ore mi...37.6k downloads
- AutocannonEnergy Weapon | DPS: 2 400 | Size: 3 x 3 | CP: 6 Shoots twice per second in quick series of 8 projectiles (150 damage each) at range of 225. Allows you to select what targets to prioritize: Ship parts / Projectiles and Missiles / Both. Once installed, you can find it in energy weapons group. No r...37.1k downloads
- speed controlAdd more game speed, between 1/30 and 15x russian version available here36.8k downloads
- Star Wars: A Cosmos Divided Main ModStar Wars: A Cosmos Divided Mod Welcome to the ultimate Star Wars experience within the Cosmoteer universe! Crafted with passion by the SW:ACD Dev Team, this mod transforms Cosmoteer into a Star Wars fan's dream, introducing an array of new technologies, resources, and functionalities that expand...36.6k downloads
- MultiplierStorage - formerly Bigger Storage (x10)Original Mod by freakycrafter This mod multiplies the storage capacity of every resource by a configurable amount (default: 10x). To change the multiplier, edit the MULTIPLIER value at the top of mod.rules. Set it to any whole number — 1 for vanilla, 5 for 5x, 25 for 25x, etc. How to find mod.rul...34.9k downloads
- Star Wars: A Cosmos Divided Mod PrerequisiteProvides necessary core game changes before other Mods load (So that the main Mod doesnt break other Mods)34.8k downloads
- Medium HyperdriveA medium hyperdrive with 32 hyperium capacity, takes 28 batteries. Update: Jump efficiency increased from 50% ( small ) to 65%. Update: Drive distance range increased from [5, 30] to [10, 50]. Kurim's TechTree version available here: ### ONLY USE ONE VERSION AT A TIME ### Renames small hyperdrive...33.3k downloads
- Tristeel armorAdds costly Tristeel Armor to the game. - Tristeel Armor parts that have 10x the HP of regular armor and 2x penetration resistance but require 75% of its cost in Tristeel plates to build. May be a wise idea to layer them with regular armor to prevent early bankrupcy. Disclaimer: Mod assets made f...32.8k downloads
- Sunflower CorporationAdds in new technologies and blueprints created by Sunflower Corporation. We strive to bring you cutting-edge advancements in space-faring technologies. - Cluster Missile - A new type of missile designed to overwhelm PD. These missiles are launched from the standard missile launcher. - Ion Blaste...32.6k downloads
- BulkheadsBulkheads are armored internal airlocks that prevent fire and damage from spreading while still allowing crew to pass through. Value: 200C (8 steel) Size: 1x1 meters Weight: 2 tons Hitpoints: 2000 Penetration Resistance: 3 meters Area Damage Resistance: 75% Crew Speed: 66% Thanks to 焱缪_猫猫兔 for th...31.1k downloads
- The Deranged Industries: Advanced Missile LauncherThe Deranged Industries proudly introduces: The Advanced Missile Launcher. This is a standalone version of advanced missile launcher. Do not use with my rebalance mod. The launcher is included. AML now has fire-modes when HE missiles are selected. - Vanilla-like free fire mode. - Volley fire mode...30.6k downloads
Browse all 4.7k Cosmoteer: Starship Architect & Commander mods Sortable by downloads, rating and date.
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Why Cosmoteer: Starship Architect & Commander mods break
A mod is compiled against one version of a game. When the game updates, anything that reached into the parts that moved stops working, and it usually stops working silently rather than with a message that explains itself.
That is what the table above counts. It is not a guess: each row is a mod the community has reported as broken by that specific release. The number is a fair measure of how disruptive an update was, and it is the reason people delay updating a game they have modded heavily.
Common questions
Does IndexGG host Cosmoteer: Starship Architect & Commander mods?
No, and it never will. Every download link points at the author's own page on Nexus, GitHub, CurseForge or wherever they published it. We index the ecosystem; the files stay with the people who made them.
Where does the compatibility data come from?
From the communities that maintain it in the open, not from guesswork. Each claim carries how it is known, so a reported breakage is never presented as though the author said it.
Why is a mod listed as broken when it works for me?
Compatibility depends on your exact game version and the rest of your load order. A mod marked as broken in one release may work fine on an older one, which is exactly why the version is recorded next to the claim rather than a bare yes or no.






