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
- [The Dummy Laboratories] Phase-sprinterFreighter. Used to delier supplies to 'Void' stations. Does no have luminescent hull due to high production costs. No mutations required. More/Less a 'Re-upload' from38 downloadsupdated 5 mo ago
- Game completerThe creature I used to beat the game for the first time I also got a second copy of the heart cell which is how I afforded it38 downloadsupdated 1 mo ago
- bash jellyan impact cell variant of the shock jelly. mutations needed. 1. overcharge 2. drifty what it actually does. when holding space you ram into your openents (auto pilot).38 downloadsupdated 7 mo ago
- xenomorph but a fishto open mouth press spacebar not beta anymore =D38 downloadsupdated 6 mo ago
- Big Boombaby The smilerSometimes makes a big explosion.37 downloadsupdated 15 mo ago
- fun with ragdoll v2by 7656119918017754737 downloadsupdated 13 mo ago
- heartling wormby 76561198758238728a tiny worm from the motheroot species, it will spread37 downloadsupdated 7 mo ago
- Deviusby 76561199180177547heart --> brake --> growth stopper -->ability --> root37 downloadsupdated 14 mo ago
- super-tesla coilby Real_zoidberghold space to charge then let go best with overcharge37 downloadsupdated 14 mo ago
- The Jetfishby Regeo the greatthey are a fictional aquatic species in the game rain-world hope to make more variants in the future!37 downloadsupdated 15 mo ago
- Item 3516498056by Vincent Cledric37 downloadsupdated 16 mo ago
- Punter - Strafing Spinnerby FalchoinRequires Strafing mutation. Steady Regeneration is highly recommended unless you remove the acid cells. Use the new Impact Cells to deadly effect on this fast moving spinner of acidic destruction! Built V0.1 beta.37 downloadsupdated 14 mo ago
- parasitic crawlerby 76561199799491940space to lift two legs click and hold to lift the other two rotate, click space, rotate stop clicking space, then click and hold, rotate, and stop clicking and holding. repeat this to walk for some reason the body plan wont show the creature37 downloadsupdated 14 mo ago
- a silly soldier ant :)by SlayaNoobwhats a worker ant without the soldiers? she basically mauls threats to a "colony" or kills whatever a worker drags in to the nest ant fact 3 soldier ants create chemical signals called pheramones to say "hey we have enough soldiers be workers" ant fact 4 army ants can go into a death spiral wher...37 downloadsupdated 15 mo ago
- blood mawby Fractalistit has 2 large jaws and a when it gets hurt it bleeds on the sides37 downloadsupdated 7 mo ago
- ossification wormby 76561199560662033!!requires beta branch!! when approached it will turn into spiky bone37 downloadsupdated 11 mo ago
- decent ant queenby 76561199004294268CAN reproduce by deattaching their lower body to give birth! leaves junk around the map but dissapears anyways works greatly with budding and drifting mutations37 downloadsupdated 8 mo ago
- Rainbow Death Cannonby 76561199013301209So i was in a run with electricity and got chain lightning, so I decided to mess around with self shocking and somehow ended up with this. Updated to make it not a sparkler and back into a cannon. Sparklers are cool too. Needs chain lightning. NEEDS CHAIN LIGHTNING.37 downloadsupdated 7 mo ago
- S P R E A D .by 76561199180177547Second definition.37 downloadsupdated 13 mo ago
- ghost tardigradabasicaly just a tardigrade, but ghostly and made for the dark zone (uses a few ghost combo cells)37 downloadsupdated 3 mo ago
- s3-E__ke/R amalgamate?q?qqqqq ?qq?qq?? ?qq?qqqq ?qqq??qq ?qqq?q??37 downloadsupdated 3 mo ago
- Diphillobotherumthe intestine boss from pathogenic. like the last two, erase the flex cells needs beta37 downloadsupdated 3 mo ago
- heat wavecontrols space to summon the heat wave click to command it37 downloadsupdated 2 mo ago
- fish17nothing of note37 downloadsupdated 3 mo ago
- slurpodby 76561199274303973a very annoying pest that loves to lays its eggs everywhere while emitting a very annoying buzz.36 downloadsupdated 15 mo ago
- Psiby MonkeFishGod(BETA BRANCH) within shadows lurks never within the light. kill the lights.36 downloadsupdated 15 mo ago
- That one root enemy But Biggerby 76561199180177547Inspired by, "Baby Boss But Bigger"36 downloadsupdated 13 mo ago
- a 4th silly eater >:)by SlayaNoobthis is a travesty of creature design lets face it I DO NOT RECCOMEND PITTING THIS CREATURE AGAINST MY OTHER EATERS because it will fail at fighting them :> no armor overcharge might even rip the jaw apart to a degree this was my first attempt at a huge eating creature and i fumbled it here :<36 downloadsupdated 15 mo ago
- The Plaguedby MonkeFishGodA simple creature With a plagued heart. Once you stop moving your body poisons itself. And harming your heart. Keep moving and you will stay alive. (This funky guys mechanic makes it so standing still poisons you)36 downloadsupdated 16 mo ago
- Grimmtoothby 7656119885006958236 downloadsupdated 8 mo ago
- mechanical centipede v2by 7656119927430397336 downloadsupdated 15 mo ago
- tr3@h_detamaglamait's still beating36 downloadsupdated 3 mo ago
- Laser Ship for Dark ZoneAn upgrade of my Ramming Ship ( ), now with lasers for defence and cave scanning. Has a safepod for Rebirth mutation (Steady Regeneration is also recommended). Lasers still need cooling so the ram is the main weapon. Better version with combo cells:36 downloadsupdated 5 mo ago
- Godly Default Fishpress space to ȧ̶̧̯̫̝͕̰̖̤̟̩͍̤̻̞̬̀̓͜ͅs̴̨̛̤̞͖̘̫͇̄̾̏͒̄͆̄̈́͑̀̽̽̔̂̚͜ć̶̢̢͎͚̥̫͇é̶̛̟̞͍̝͖̣̤̮̋̅̇͂̂̊͑͒̔͌͠͝n̴͕̟̲̰̦̮̩͔̺͙̣̈́d̷̢̢̡̜̘̼͙̲̺͆̈́̔̒͠ use overcharge36 downloadsupdated 13 mo ago
- bubble berry bushyou cannot eat bubble berries. The Bubble berry bush is a non-toxic plant with thin hollow berries on the end of each branch, with are not connected via steam, but directly to the plant and it's network of tubes. If something comes near the Bubble Berry bush, it will pump the berries full of air...36 downloadsupdated 4 mo ago
- Blood KatanaA weapon for my grip test thing. Drifting highly recommended.36 downloadsupdated 10 mo ago
- Drite HiveSame thing not new36 downloadsupdated 5 mo ago
- Void devourer leviathana Titanic leviathan, sadly it takes a while to fully load in. (Warning, Will violently implode if jaw is exploded/ rammed heavily into a wall.) This is also my first ever time posting something in workshop36 downloadsupdated 9 mo ago
- CLOT EATERalso born with clot feeders if one is fed the whole clump feels fed this means each clot feels there own emotions one could feel happy meanwhile one could feel sad however not sharing brains they do share stomachs conecting each gut to the other it makes it more easy to feed an entire clump36 downloadsupdated 5 mo ago
- Drip ClampDo i have to explain it? Look at its name!36 downloadsupdated 2 mo ago
- Drip BabysitterThis is called "Hive Shame" if for some reason a colony member rebels they are held back and designed to be a babysitter. I have no idea how this works but trust me please36 downloadsupdated 5 mo ago
- Flame DripThey Flame Drip. Its body is immune to poison acid and venom. it has a coating of Bathromaxine (Bath-Row-Max-een) which helps them not die. When in there shell (Egg) There eggs are also coated in Bathromaxine which helps them survive unless eaten. There babies are still sticky after hatching whic...36 downloadsupdated 3 mo ago
- BURROWERcan burrow into creatures without killing them most of the time Make sure its tiny also36 downloadsupdated 1 mo ago
- Deadly little Guy's Brotherby Loom193Deadly little Guy's more Stronger And faster Brother35 downloadsupdated 13 mo ago
- Partypedeby 76561198992985952Introducing... The Partypede! The Partypede is a centipede with a special ability, it can Separate itself! And the disconnected parts of you can fight back enemies! Your very back part of the partypede is a missile that destroys enemies as well. Enjoy :) UPDATE: Added heart cells to disconnected...35 downloadsupdated 15 mo ago
- poison dart frogby Real_zoidberghas poison ;)35 downloadsupdated 15 mo ago
- Green Fibshby 76561198879381143Hes a bit stupid, but its okay, he doesn't know that.35 downloadsupdated 16 mo ago
- giant jawby Fractalist35 downloadsupdated 7 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.