ModsPrimordialis
Primordialis mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
896 mods, most downloaded first · newest update 24 Oct 2026
- Tongueby Reapy_s0ul- attempt at being less reliant on combo cells but the siren's call of heavy seeker is ever tempting - steady regen mandatory - self colliding cells are unwieldy to build with but i cooked104 downloadsupdated 3 mo ago
- Neptune I Rocketby 76561199013301209The first ship in the C.R.A.P (Cellular Rocket Association of Primordialis) fleet I wanted to make the first (as far as I know) spaceship. Beta branch needed, and I named it Neptune because that is the Roman god of the sea. I tried really hard to not use combo cells but I got so tired I had to us...103 downloadsupdated 10 mo ago
- Tangle Bloomby theromanticswbplant boss number 2!!! Press space to chomp and poison everything with your sticky vines!103 downloadsupdated 16 mo ago
- Amalgamby 76561199878860520Every base game creature put together (as of v0.1) I had to use a few creatures multiple times to fill some gaps103 downloadsupdated 3 mo ago
- Juggernautby 76561199386891208I got the idea for this from stellaris. The juggernaut sends out six drones 4 use spikes and 2 use lasers.102 downloadsupdated 12 mo ago
- explosion knivesby 76561199034823619overcharge reccomended- not meant for survival space- grow had mouse movement when it is tiny, it will slice through things like butter, when it is big, it is nearly indestructible - non delayed regen suggested101 downloadsupdated 12 mo ago
- Gas Compressorby RawbirtResult of messing around with Vacuum cells to compress/contain the output of Acid+Ink combo cells. Oddly satisfying to watch. How to use: WASD to move REQUIREMENTS - Strafing Mutation101 downloadsupdated 13 mo ago
- Helminth - PathogenicPlayable Helminth species from the game Pathogenic CONTROLS: Uses Seeker Cells Trigger Cell 1 - Dash - More of a dodge to accelerate faster, short cooldown Trigger Cell 2 - Perforator Tendril - Tendril snaps forwards incredibly quick, dealing massive damage RECOMMENDED MUTATIONS: - Explosive Resi...101 downloadsupdated 2 mo ago
- Mimic eelIt mimics the normal eel, waiting for its chance to strike101 downloadsupdated 2 mo ago
- The Fortressby 76561198367915504This is probably one of my most op builds in Primordialis... Hold in space bar to charge up the lightning and left/right mouse button for releasing missiles. Requires Overcharge, Straffing, Explosive Resistance, Chain Lightning, Steady Regen (optional), Smaller Cells (optional), and Budding (opti...100 downloadsupdated 6 mo ago
- Full Size Reaper Leviathan (FIXED)by 76561199345132416a bigger reaper leviathan cuz the other one I posted was practically a baby posted on subnautica's 11th anniversary (december 16th) with some other subnautica creatures :) IMPORTANT: an update has broken the reaper by making hard cells completely rigid. I have implemented a fix, but you will need...100 downloadsupdated 10 mo ago
- Vertebral Wyrm (PARASITISM + EXPLOSIVE RESIS)Beast of blood and bone, this thing is nigh immortal. The hollow cavity in its chest is filled with "blood" (Sync cells) that basically dupes biomass. Due to having a stupid high biomass, it is fairly resistant to most attacks. Just try to avoid any possible knockback or currents, the collision s...100 downloadsupdated 2 mo ago
- Limatoukka/Tinyby gespnetRecreation of Tiny from Noita I made in a few minutes. Pretty fun to use imo99 downloadsupdated 15 mo ago
- Swallowerby 76561198838125622Swallows stuff. works best with smaller cells and overcharge99 downloadsupdated 7 mo ago
- Working Rocketshipby 76561198750900707Get to the moon VERY easily in survival. No combo cells, No mutations, only 85 biomass, and only uses seeker cells and heart cells. This build is kinda weird to control at first but, is really easy after 2mins of practice. How to control: Go out of water on beach and hold left click to the left o...99 downloadsupdated 4 mo ago
- Sea Dragon leviathan poorly drawn from memoryby 76561199088922285This thing lives in the lava zone and will melt your pc (go ask nasa for one that can run it) activator cells launch fireballs needs the beta (for good reason[ i really like the new beta stuff ok ])98 downloadsupdated 12 mo ago
- Rivulet (rain world)by 76561199345132416this slugcat is faster than others in rain world so i made him with more slippery cells and jets u can activate with the space key. just like the others, hold and release mouse to throw a spear NO LONGER NEEDS BETA! Merry christmas :D97 downloadsupdated 10 mo ago
- Feeshby FalchoinA just for funsies mechanical swimmer shaped like a fish. It won't win any races, but it does move with zero user input! Also looks pretty good while swimming under user control (in my totally biased opinion). Requires a tiny bit of setup: 1) Load the creature in Sandbox mode and let the swim ani...96 downloadsupdated 14 mo ago
- blood seeking swalower [NEW]by FractalistKNOw HAS better momentum better defence and kills things quicker.96 downloadsupdated 7 mo ago
- The Lightning Rod Of Zeus[Sandbox]by 76561199636423105Gives you the power of zeus via what looks like a minecraft lightning rod. How to use : Hold space to charge, then release to emit lightning. Mutations Required : Chain Lightning(Essential) and Overcharge(For maximum power) Very strong, does an average of 5K damage if charged for 2 seconds.96 downloadsupdated 9 mo ago
- CM-666 HELL MOUTHED ANGLERFISH LIZARDby 76561199264269767testing... experiment complete... releasing the creature...released the creature96 downloadsupdated 16 mo ago
- Leviathan (ULTRAKILL)by TheDubiousAnubiasThe Leviathan is a Supreme Demon, making its debut in 5-4: LEVIATHAN. Big snake made of human flesh and human body parts carved from stone. Lives in the Ocean Styx in Hell. It has a fleshy guy pinned to its head with spears thrown by the angel Gabriel. No mutations required. Seeker cells for stee...96 downloadsupdated 5 mo ago
- (FLASH WARNING) Invalid color paletteA bunch of colors you probably shouldn't be able to obtain normally, put into one really lazy creature.96 downloadsupdated 18 d ago
- "Brother Long Legs" from rain worldby donreek195 downloadsupdated 16 mo ago
- CM-HELL PITby 7656119911228619995 downloadsupdated 4 mo ago
- Hive EaterDespite it being named "Hive Eater" if the hive is enforced it wont be able to eat the hive and its contents. This is part of the drip series. Im serious about that by the way.95 downloadsupdated 2 mo ago
- The Blazing Triumvirateby 76561199805275375Adapted him loosely to fit his original name, before he just used leeching because heat wasn't in the game yet.94 downloadsupdated 16 mo ago
- saw launcherby truslideit launches saws/Beyblades that can mow down creatures but not really thick things cuz they will just get launched or you can do Beyblade battles.94 downloadsupdated 5 mo ago
- drill worm (needs overcharge mutation)by 76561198394487272a large worm that can drill through walls.94 downloadsupdated 8 mo ago
- super acid launcherby 76561198323717306i made it in demo but it still shoots acid pretty good93 downloadsupdated 16 mo ago
- chaos suckerby Vincent Cledricuse overcharge and drift mutations for best results93 downloadsupdated 16 mo ago
- CRONK Spinelarby 76561198992985952Introducing... The Spinelar! The Spinelar is a circle that holds you and protects you. You can also move it around to get creatures. You start connected, so press spacebar to disconnect and become a little fella that moves his spinelar around killing things. Enjoy! :)92 downloadsupdated 15 mo ago
- Parasiteby 76561199870646856This is a parasite that I had made and it is pretty cheap you just need the cells to make it. Tried to make it kinda look like a leech. Thanks to RegeoTheGreat for giving me the idea for a parasite! (Also, I found out that if you use mutagenic poison and set it to poisonous cells, after moving ar...92 downloadsupdated 15 mo ago
- Stinklingby 7656119966213127592 downloadsupdated 6 mo ago
- Sea beastby DynoA small predator capable of catching more slippery prey, adapted to resist cool temperatures required mutations: none92 downloadsupdated 11 mo ago
- Red centipedeby Regeo the greatfrom rain world92 downloadsupdated 13 mo ago
- Ice laserby 76561198993242483Существо из игры Insanely Twisted Shadow Planet Имя придумано, нет точной информации какое у них имя92 downloadsupdated 3 mo ago
- BEEHIVE (hard)by 76561198394487272a harder version of the beehives from the jungle/plant maze zone92 downloadsupdated 3 mo ago
- flesh mawmight require beta92 downloadsupdated 1 mo ago
- WumpusYou know what to do.92 downloadsupdated 30 d ago
- punching plantby 76561199274303973a very fast and stretchy plant the lunges at its victims dealing a giant amount of damage.91 downloadsupdated 15 mo ago
- the twinsby 76561199269714189it is Retinazer and Spazmatism needs the same stuff as them sepritlty91 downloadsupdated 8 mo ago
- snappy thingby 76561198803157256space to open jaws91 downloadsupdated 5 mo ago
- Pulse Reactor v5by 76561198418850906Best and most recent version of the pulse reactor, super compact and reliably gets to max voltage in about 30 seconds. How to use: 1. Spawn 2. Wait for it to charge up 3. Place a breakaway in the empty spot to connect it to a circuit It charges much slower when connected to a circuit, so I recomm...90 downloadsupdated 14 mo ago
- acid homing drones of deathby Regeo the greatHigh expense for high reward. Or that is what i say anyway. By the way do not forget to check out my friend psymonthehulk's builds. He is new to the game so please give him a warm welcome in the comments!90 downloadsupdated 16 mo ago
- Leviathanby TheDubiousAnubiasWow what a unique idea its not like there's five other basically identical items offering the same content already on this workshop! Needs overcharge for the mouth to extend when biting like in Rain World.90 downloadsupdated 9 mo ago
- Chomper [BETA BRANCH]by 76561198888114280Space to chomp E to release mines I MADE THIS IN BETA BRANCH IDK IF IT WILL WORK ON ANYTHING ELSE!!!!!!!!!!!!!!!!!90 downloadsupdated 2 mo ago
- Combo Killerby 76561199870646856My first time messing with combo cells, can be a little bright. (It is possible to tear off the spikes yourself accidentally)89 downloadsupdated 16 mo ago
896 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.