Mods / Factions

• TThe Explorersby NectarineHello fellow Starship Captain! You now have a new choice of faction! The new faction includes: -Fun Weapons -Ultra powerful Thrusters -Melee -Interesting designs -Red faction Block types -TELEPORTATION! -And much more! Note: This is a work in progress mod, and there might be changes that make wea...85 downloadsupdated 9 y ago
• TTitansby IambobThis mod has been in the works for a long time - simply because it takes me a very long time to make big ships I actually like. Contrary to the preview image, this is not a crab faction. The Titans are tanky, powerful behemoths with a limited palette, but heavily shrouded to make up for it. Findi...85 downloadsupdated 5 y ago
• AApex Predatorsby 76561198377291530This is a faction mod balanced around vanilla... Arsenal: Very Fast growing hull parts, and a fast recharging core, meaning if left alone then he entire ship will try to regenerate within a matter of seconds. Healing drone launchers to further reinforce the rebuilding nature of this faction. Weir...85 downloadsupdated 7 y ago
• BBurning Redby Persona NLots of blocks from various mods should be in here, the things I made are most of the ship designs. Try it out! I made some pretty decent ones I think.85 downloadsupdated 6 y ago
• FFaction-Elder Silverfishby 76561198403884185Its silverfish, but scaled up 4x drones are still the same, tractor force on core beam is much higher, these spawn different one sector that can either be huge or tiny splotches, and you may not like what you find there includes some new blocks ill add to the regular silverfish faction in an update85 downloadsupdated 4 y ago
• PProtossby ScaryowlOne of three races from the Starcraft series. A fairly powerful faction, they fear what their technology could do if they researched faster. (WARNING: WIP. No updates will break ships, but they may change stats. At the moment there is one ship and no stations!) Features: Shotgun turrets Normal tu...85 downloadsupdated 10 y ago
• CCrystal Empireby 76561198801772157New mod, adding a very powerful faction. There are many stationary cannons, turrets, and drone/missile launchers. The mod includes melee missiles, which, instead of exploding, run into enemy ships. The crystal empire gets most of its power from the drones, including a cannon drone, laser drone, m...84 downloadsupdated 8 y ago
• HHan Teckno Uirdarasby XDERP7This faction is a faction with buildings and ships (no joke sherlock) and has following characteristics: -the thrusters and hulls are weak (not farmer weak though) -it has a small shield with great life and low regen (the exact opposite of farmer little shield) -the weapons are powerful (and ener...84 downloadsupdated 6 mo ago
• AAdvancedPowerby Pluto9510Adapted from my previous mod: Contain one new faction and multiple new large Titan ships into the fleet in the open world for more challenges. The summary of the new faction: -Teleportation -Powerful fixed direction main gun -Special mine and pulse platform -Unique power generator option: High po...83 downloadsupdated 5 y ago
• SSome Reassembly Requiredby 76561198403884185A total overhaul ish set mod that will be the testing basis and thus intended balance use with future projects set in a lil bit specific group. They will be marked as requiring this on their pages but it is optional as an "intended" way to play. Merges the following: -audio.lua tweaks(modified) -...82 downloadsupdated 8 mo ago
• TTrifaction Skirmishby 76561198839158154Mod used for the 2026 Summer DRRT; all factions are balanced AGAINST EACHOTHER and are stronger than vanilla. This is a small mod that I made both to get back into modding reassembly and to contribute to the tournament scene of the game. It adds three new factions with small ships, fighting one a...82 downloadsupdated 3 mo ago
• WWar Beeby 76561198434185676My first published mod. Took some 3 months or so to make. I just kept adding more stuff, and honestly didn't think I'd publish it. But here it is, enjoy. The War Bees are a splinter sub-faction of the more common Bees. While the Bees developed extensive laser technology, but couldn't exploit othe...81 downloadsupdated 8 y ago
• RRepublic of Tvamatkaby ickyHiiiii everyone, i'm back!!!! This is probably my highest quality mod to-date and you should play it!! Basically vanilla terran sucks, and there isn't a great modded faction to replace it. This is my idea of a semi-futuristic human (terran) reassembly faction.81 downloadsupdated 4 y ago
• GGoa'uld Empireby Max Verstappen ApologistMy first attempt at modding with Reassembly has resulted in the Goa'uld Empire returning. Whoops. If there are any errors, please let me know! NOTE: This mod starts you off with a weak ship. Not for players who want to be OP right from the get-go. Ships included: Al'kesh Anubis'Mothership (STATIO...80 downloadsupdated 10 y ago
• RRocket Racersby TheMirrora mod that adds the Rocket Racers faction story: once, the Rocket Racer were part of the bees, but in a war against the crystalline, they decided that stationary lasers and drones were not powerfull enough. but no matter how hard they tried, the leaders of the bee faction kept the drones and lase...80 downloadsupdated 11 y ago
• FFaction-Weedsby 76561198403884185Single block and very weak faction that lives to its name, self replicating and very good at making a lot of itself. Can be played if you want to i guess.80 downloadsupdated 4 y ago
• PProject Singularity: Sundownersby 76561198359866160Meet the Sundowners, a network of vaguely-interconnected artificial intelligences powering rapidly-metamorphosizing ships. Due to their incredible information processing speeds their ships have optimized for pure speed, shedding massive amounts of weight and much of their defensive capability. Th...80 downloadsupdated 2 mo ago
• 112 Colonies of Kobolby GamerfromspaceThis is my first mod so don't expect it to be perfect. I based it on the Battlestar Galactica series as I noticed that there is a lack of such mod. The weapons are 100% accurate, I just had a look what weapons are there and made my own versions suitable for the game. Enjoy :) If anyone has any su...79 downloadsupdated 9 y ago
• TThe Engiby The AurelioknightThe Engi are peaceful mechanical beings. ...until their friends get attacked. The Engi, allies of the Federation, are some pretty kick-butt cyborg dudes with drones and ion weapons to boot! The Reassembler mod by Galenmacil is required to play this faction. Enjoy! NOTE: There's a bug where the En...79 downloadsupdated 9 y ago
• SStubborn Sparksby VoksaWhen the wormholes opened and strange alien things were pushed into the galaxy, nobody was spared from the resulting chaos. The biggest empires in the galaxy collapsed, and previously minor groups filled the gaps. The two most powerful nations were almost erased entirely, the things that came fro...79 downloadsupdated 11 y ago
• YYuuzhan Vong (V1)by Von Langstein79 downloadsupdated 11 y ago
• SSparcsMod_1_04by phoenixosuSparcsMod_1_0479 downloadsupdated 8 y ago
• Ssave1_雷洛by REYNOL78 downloadsupdated 11 y ago
• OOP Nebulus Ultimusby Radium_BulletDue to user request, I edited my original Nebulus Ultimus Mod so that it had 3x more generation, hull strength, shield strength, and weapon damage. It should be much stronger than most factions you face due to this. Original is here While I tested the original, I didn't bother testing this, pleas...78 downloadsupdated 8 y ago
• Mmassively mega ultra super overpowered factionby 76561198327710999this is my first mod created with the help of the awesome Reassembly web development kit! this is just one block in a new faction and its really op! its indestructable and is a op cannon aswell also it is a teleporter and has meele attack so it just wrecks everything it touches XD NO it is not ba...77 downloadsupdated 9 y ago
• NNebulaby ThatRandomTaytoThere isn't really any need for a description, other than to say that this mod adds nebulas to your map. There IS a need for a description now, but only to say that there are now dangerous nebulas that will slowly kill your ship as you fly through them.77 downloadsupdated 8 y ago
• BBorg Add Ons [Multicore Ingame]by GreyThis mod adds a variety of features to the Borg faction (and makes them playable) such as bigger immobilizers, immobilizer drones, new laser types, cannons frags as well as..... However nobody cares about that, this mod uses Multi-Core!!! The way multicore works is that this faction has one main...77 downloadsupdated 8 y ago
• Uunlockable unplayable factionsby Fooper77 downloadsupdated 7 y ago
• AAsgard Empireby Max Verstappen ApologistAnother Stargate-based mod for you all. The Asgard species are technologically advanced, having been part of an alliance of four great races. As such they have access to ZPMs, which provide an immense amount of power. They have also been able to force the Goa'uld into a treaty, considering their...76 downloadsupdated 10 y ago
• TThe Alliance to Restore the Republicby The AurelioknightThe Alliance to Restore the Republic, also known as the Rebellion, portrayed in Star Wars: A New Hope, Star Wars: The Empire Strikes Back, and Star Wars: Return of the Jedi. The Alliance fleet is composed of several Republic-inspired starfighters, including the X-wing, Y-wing, and A-wing. It also...76 downloadsupdated 8 y ago
• GGMO plantsby 76561198855967965has modding gone too far?! now introducing a plant faction which is generally docile untill you bump or damage one. not recommended attacking early game76 downloadsupdated 7 y ago
• RRubidium Complexby Moshii.LemonsHeres an old mod i never really got around to finishing, heres whats left ;3 ~I wont be writing a story or completing it because ive lost the idea and well it looks fine to me, so here it is have fun. [ The "Crystalline 2.0" of Reassembly. Every time I play this game I notice that it is simply to...75 downloadsupdated 10 y ago
• AAll Factions Playableby Aktama75 downloadsupdated 10 y ago
• RRegium (REDUX)by ZacharyA faction balanced for late game Vanilla and other mods made to fit in with it. Using long range lasers, explosive cannons and a variety of specialized drones, the Regium colonies fight hard to protect their valuable resources and scarce territory. But these weapons do not compare to the incredib...75 downloadsupdated 5 y ago
• NNavigation Beaconsby 76561198403884185Adds cute, tiny and harmless, navigation beacon landmarks to your galaxy. Unplayable as it is just a stationary thing. Just do not run into it and you will be fine. Small note, they are invincible and unmovable are they are meant to be permanent markers.75 downloadsupdated 4 y ago
• TThe Mantisby The AurelioknightRipped straight from FTL, screaming and bloody, it's the Mantis! Er...the Mantis Bomber. There's only one ship so far. I'll keep updating it, though, adding more ships as time goes on. Enjoy!74 downloadsupdated 9 y ago
• GGortek Scrappersby ScratchRaptorThis faction is heavily focused on recycling parts from their enemies, and using spreading tactics to win fights, whether it be spreading mines or colonies. They are heavy colonizers and build ships with built-in building packages that can attach to asteroids and make colony buildings. Gortek scr...74 downloadsupdated 4 y ago
• FFaction-Prototypeby 76561198403884185A fully playable and testable station only faction with a variety of semi experimental ideas in the arsenal. Station only means you can only make stations, you can still rotate and teleport to move around, you can still test them and you can still trade with other stations. Many of the palette is...73 downloadsupdated 4 y ago
• RRaptor 1.0by Greymorn"Raptor are close range specialists boasting high agility and melee damage, along with extremely tough armor. However, they completely lack shields, making them prime targets for explosive weapons." FEATURES: Raptor have powerful custom cannons which are fun to tinker with, as well as turreted th...73 downloadsupdated 20 mo ago
• [[OUTDATED] More Factionsby 43DiceAll of the "More" mods in one. it has a total of 112 ships so this is a big ships+ type mod WARNING: this mod replaces the starter ships, so if you want vanilla starter ships, you can always download my other mods71 downloadsupdated 2 y ago
• TTechnology at its finestby 76561199466513595a link to the updated one- - this is by far my most complicated mod what it has- auto- locking torpedoes weird core many shields photosynthesis on all reactors are glass cannons many explosions teleporters what it does not have- changed shapes shaders opness to teleport, you need to bind "utility...71 downloadsupdated 4 y ago
• TThe hornetsby 76561198855967965V1.2 Added three new weapon (machine guns) Added some ship builds slight rebalances ----------------------------------------------------------------------------------------------------------------------- My first attempt to mod this game, the hornets are a stronger precursor species of the flies...71 downloadsupdated 7 y ago
• DDeopsidian fleetby Krater Fjes70 downloadsupdated 8 y ago
• Ssave2_1370260935by 心灵砒霜70 downloadsupdated 11 y ago
• RRépublique Françaiseby XDERP7Ce mod 100% français vous donne des français qui n'abandonnent pas au premiers coups de feu sans tirer en retour. Les principales caractéristiques de ce mod sont: Un lance missile à charge creuse, se traduisant par le tir d'un projectile à l'impact. 2 lances missiles anti-léger et anti-missile fo...70 downloadsupdated 7 y ago
• SSilverfliesby Satur9ScholarAdds the Silverflies faction. Weak and cheap ships that autoreplicate and evolve over time. to do: -add more blocks -add regions -balance changes -more ships -custom plants This is just a proof of concept for the moment until I resolve the issues above. Powered by RWDK by TTFTCUTS70 downloadsupdated 8 y ago
• TThis mod adds blue stuffby GreyThese guys are fantasic, they can go straight through asteroids and have these lasers which are a bit too powerful, they may be weak, but they can still pack a punch. Although they don't feature any superweapons, they do have a couple of missiles in their collection as well as a bunch of lasers....70 downloadsupdated 8 y ago
• TThe Stealth Cruiserby The AurelioknightThe Stealth Cruiser doesn't really fit into the color schemes of any of FTL's alien races, so I decided to make it a standalone mod. Enjoy!69 downloadsupdated 9 y ago

945 factions mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.