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
- Waypoint Cell Boss Creature Killerby Alabar3000Note: If you are playing in the beta, this build wont work due to changes to voltage and cold cells. You should use negating cells with heat sensing cells to make the power instead. Primordialis 0.1 V V V The creature located on top of the lava biome in the middle of the swirling stream drops the...89 downloadsupdated 15 mo ago
- THE BIG ROTby donreek1THE ROT BUT BIG89 downloadsupdated 16 mo ago
- Super Arc Throwerby Oσμοδα℩Press left click for around 20 seconds to kickstart the power generator. Once started, the thermo-electric stack will keep going indefinitely without need for any further button inputs. It takes around a minute for it to reach maximum power output. At max power, the electric cells will project li...89 downloadsupdated 15 mo ago
- can cause a seizure.by 76561199835315522overcharge straft and drift lavba wall89 downloadsupdated 11 mo ago
- Cancerspawnby 76561199867614453my first Primordialis creature that i have uploaded to the workshop.89 downloadsupdated 16 mo ago
- COBBby 76561198757166418cobb from the web game cobb can move89 downloadsupdated 6 mo ago
- Arcthrowerby FalchoinZap foes with nigh unlimited voltage! ...after a minute or two of the reactor spooling up. No mutations required, however Chain Lightning practically is due to how far the lightning gets thrown. Built v0.1 beta88 downloadsupdated 14 mo ago
- Firecrackerby 76561198345714939Requires : Budding + Explosive resistance WARNING: THIS CAN VERY EASILY CRASH YOUR GAME. hold space to disable reproduction. in order to get it to start working, use the cursor tool to merge the always on cell to the breakaway88 downloadsupdated 6 mo ago
- frost maidenby 76561198734247449this creature is actually many, many small organisms working together to move an icy shell. The projectiles it fires are also more of these creatures, these ones inhabiting a smaller chunk of ice. part of the speculative biology pack:88 downloadsupdated 5 mo ago
- Aero zone fishies 4-6 (mutations in description)by 76561199013301209I'm designing a new zone (for fun) that is centered around airflow. The idea is that this zone is an alternate (harder) route that you can access through the swamp zone. (I'm not going to make a mod or anything, I'm just bored) The one on the left uses drifting, the one in the middle uses budding...88 downloadsupdated 6 mo ago
- MANTIS (hard)by 76561198394487272a harder version of the mantis from the jungle/plant maze zone88 downloadsupdated 3 mo ago
- Level 1 Boss but Betterby 76561199039802782hehe lighting cells go BRRRRRRRRRR mutations: chain lighting and overcharge87 downloadsupdated 10 mo ago
- Behemothby 76561199386891208This thing is really strong its only weakness is the speed cells between it's fins and main body. It's teeth are also very strong so don't worry about dying.87 downloadsupdated 12 mo ago
- Singularityby 76561199250042775This cell will instantly spaghettify and rip apart anything that comes near it. I wouldn't recommend placing more than one at a time87 downloadsupdated 16 mo ago
- Pistolby 76561198367915504This is almost a guaranteed one shot! Requires: Explosive Protection :But the optional requirements are: Overcharge, Echolocation or lightning resistance. the one who made the original gun/the one who's build enspired me is VVV87 downloadsupdated 8 mo ago
- Mimicby 76561199447481457Imagine just completing zone 2 and go into the safe zone on a run and find a target dummy (Creatures that you find in safe zones - Consisting of hard, basic, and heart cells) and you're about to attack it. But it suddenly transforms into something that looks like a mouth. Before you can react, yo...87 downloadsupdated 9 mo ago
- spear stage 1by 76561199072935540the 1st and most basic spear stage recommend going to stage 2 as soon as possible86 downloadsupdated 16 mo ago
- rot leviathanby 76561199502325956combination of rainworld rot and the ultimate leviathan!! second update things that were added better way of fighting new decor no more bad eating effects like the jaws move weird enjoy!86 downloadsupdated 8 mo ago
- Gapefishby theromanticswbThe second realistic fish to be on the workshop! It has a skeleton, fins, and a digestive system! Open the mouth using space and swallow tiny creatures or bite them in half!86 downloadsupdated 16 mo ago
- Volcano Sentinel Plantby 76561199230266501Found within the tunnel leading to the volcanic region. If anything gets too close it fires a powerful beam and shoots out acid to judge if the creature passing through the tunnel is worthy enough to progress further86 downloadsupdated 14 mo ago
- ICBMby 76561199386891208A tracking ICBM85 downloadsupdated 12 mo ago
- wandering punching plantby 76561199274303973a punching plant that loves to roam and trap prey in its roots.85 downloadsupdated 15 mo ago
- Minos Primordialisby TheDubiousAnubiasAnd thy punishment is... You Died. Press to view and save your final body plan. Stupid idea I had, somehow turned out kind of cool. Left click to aim fists at cursor, right click to aim legs, space to make the legs rigid. Has impact cells on the feet and fists. There are stasis cells that kind of...85 downloadsupdated 4 mo ago
- Laser Droneby 76561199870646856This is my most recent creation. There are some problems with it, like the failsafe I made for it for if it gets too hot, only works if you possess it so it can heal, and there are some other things for it. If you can fix it, that would be great! (for use as a drone, as it says in the name, and a...84 downloadsupdated 16 mo ago
- the spinning saw of DOOM and DESPAIRby 76561199845911179this thing has a very large appetite, therefore it will eat remotely ANYTHING that is in its range/collides with it long enough. Very useful in sandbox and normal mode if you want to clear out a ton of things. enjoy please!!!!84 downloadsupdated 7 mo ago
- giant tutorial bossby 76561199345132416making giant versions of the enemy creatures cuz bored84 downloadsupdated 10 mo ago
- Ventgarden Leviathan (subnautica BZ)by 76561199345132416another subnautica creature cuz i was bored this ones completely stationary.. easy to get out of the ground but not intended. i had to give it SOME defense so even tho it was innacurate i decided to give itt thermal weapons. just hold space and it'll burn anything touchin it first image shows the...84 downloadsupdated 12 mo ago
- Specter Cannon- railgun - overcharge mandatory - steady regen and explosion resist recommended - hold e to charge, q to fire84 downloadsupdated 3 mo ago
- MR.FLESHYby 7656119983531552283 downloadsupdated 14 mo ago
- the electric wormby 76561199034823619AHNIALATE ur enemies with this nearly indestructible worm! mutations: overcharge, chain lightning, and steady regeneration. NOT INTEADED FOR SURVIVAL, MEANT FOR SANDBOX83 downloadsupdated 14 mo ago
- BLUE PREDATORby FractalistHE IS A GOOD BOY :)83 downloadsupdated 14 mo ago
- The Acid Ghastby 76561199443013424Shoots out acid/lighting balls which home, has heavy recoil use steady regen, overcharge and buddying, use left click to aim. Sorta laggy though.83 downloadsupdated 8 mo ago
- Arrow Headby CaknerA simple body plan that only needs Muscle, Jet and Spike cells. Hold space bar to turn into a arrow. Can clear the first three areas with some skill and a little luck.83 downloadsupdated 5 mo ago
- Rot rain worldby 76561199180177547drifting somtimes83 downloadsupdated 13 mo ago
- Helminth (Pathogenic)by TheDubiousAnubias"Its brown, chitinous tail can block attacks." Helminth from Pathogenic, equipped with perforator tendrils. Use seekers to aim and attack with perforator tendrils, hold a direction and tap space to dash. Best used with mutations: - Overcharge 2x - Strafing 1x WORMINTH83 downloadsupdated 3 mo ago
- Scolexstomach boss from pathogenic, needs beta comes with an esonophil83 downloadsupdated 3 mo ago
- Acidenserby Dynocauses enemies to bleed acid by hitting them with its tail and bite them. requires mutagenic poison, use the cell provided in the editor or always on/acid.82 downloadsupdated 9 mo ago
- spear stage 8by 76561199072935540the 8th and final NON sandbox stage being very durable has some speed and can eliminate most base game creatures82 downloadsupdated 16 mo ago
- spear stage 3by 76561199072935540this is the 3rd stage now including more health and stronger shell + more dmg82 downloadsupdated 16 mo ago
- Zero Twoby 76561198349579796Because of the new Kirby game, I decided to remake Zero Two in Primordialis. (Overcharge and Steady Regen recomended)82 downloadsupdated 11 mo ago
- plantby NagyDoesStuffvery photosynthessissississss 🤤🤤82 downloadsupdated 10 mo ago
- THE CORE (replica)a replica of the core made by a famous scientist no unique photon readings82 downloadsupdated 2 mo ago
- Bacterium - PathogenicPlayable Bacterium species from the game Pathogenic CONTROLS: Uses Seeker Cells Trigger Cell 1 - Sprint - Jet cells attached to your flagella, mitochondria emits glow while active Trigger Cell 2 - Caustic Secretor - Shoots rapid impact cell bullets RECOMMENDED MUTATIONS: - Drifting - Steady Regen...82 downloadsupdated 2 mo ago
- spear stage 2by 76561199072935540the 2nd stage to the spear armored and ready to fight but still in its development so stick to smaller or weaker creatures81 downloadsupdated 16 mo ago
- Void Worm Leviathanby 76561199230266501A Gargantuan worm like leviathan residing inside the void zone which can completely phase out of view before appearing after already constricting it's prey. It's intelligence and abilities give it a near perfect hunt success rate. Only the keenest of organisms will evade a terrifying encounter wh...80 downloadsupdated 14 mo ago
- Zeus Leviathanby 76561198993242483Великий неуязвимый равен божественному. Любой враг - это грязь, и те, кто осмелится причинить вред, будут наказаны возмездием.80 downloadsupdated 3 mo ago
- Crescentby FalchoinThe Crescent is a summoner using a couple tricks to minimize the danger to itself from its own drones. No mutations or combo cells required. Overcharge not recommended since it breaks the drone logic setup. Built v0.179 downloadsupdated 10 mo ago
- Particle acceleratorby 76561199015715101Ever want to obliterate anything that touches you? Well now you can! This can even kill those target robot things that show how much damage you deal79 downloadsupdated 5 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.