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
- GUILLOTINE EATERby 76561199112286199167 downloadsupdated 11 mo ago
- Survivor (rain world)by 76561199345132416basic rain world slugcat. hold down the mouse cursor and release to throw a spear it took forever for me to get the spear to throw straight- NO LONGER NEEDS BETA! Merry christmas :D165 downloadsupdated 10 mo ago
- Nastiest Cellby 76561199746805961This is 100+ combo of venom cells + a sticky cell Use Wisely165 downloadsupdated 11 mo ago
- Void Corruptor (Boss)by 76561198357635281It is here... The Wormy Update! This will be the FINAL update of the Void Pack... but I might have something else cooking... Here's the final updated pack so you don't need to go looking for it:164 downloadsupdated 9 mo ago
- END WORMby 76561198734247449hand crafted by me, it is not the best I can possibly make but it is a start! the worm at the end of all. WARNING: may cause lag163 downloadsupdated 5 mo ago
- Quantum Annihilatorby 76561199386891208The quantum annihilator is essentially a railgun with an incredibly powerful beam as its main weapon. The quantum annihilator has many spikes around its body along with a jet & acid cell combo on its sides. To aim the weapon right click on your mouse because the center of the body is at the beam...161 downloadsupdated 10 mo ago
- infestorby 76561198758238728we are getting close to the core, that thing that started this infection, it will spread161 downloadsupdated 7 mo ago
- Big Plasma Ballby z0mbiesrockI ASCENDED As A GIANT BALL OF PLASMA in Primordialis160 downloadsupdated 15 mo ago
- Bacteriophageby 76561199051545701Used for injecting things with custom cells using cell combo + mutagenic poison. Use at your own risk, I am not liable if you make a super-cancer.160 downloadsupdated 10 mo ago
- Void Wormby 76561198357635281It is here... The Wormy Update! This will be the FINAL update of the Void Pack... but I might have something else cooking... Here's the final updated pack so you don't need to go looking for it:160 downloadsupdated 6 mo ago
- CM-ROOTby 76561199112286199160 downloadsupdated 8 mo ago
- Rain World : Jetfishby 76561199119597645My SECOND Primordalis RW creation. This one is a jetfish, hopefully accurate enough for my RW fans!158 downloadsupdated 10 mo ago
- CM-The Harbingerby 76561199112286199158 downloadsupdated 5 mo ago
- Vine bossby :3157 downloadsupdated 15 mo ago
- Punching Squidby 76561199746805961Every get so mad at the game that you want to punch something? Look no further than the punching squid! Beat your enemies into a pulp an consume them with this monstrosity! Space = Vacuum + Mouth bits Right mouse = Point and Move Tentacles157 downloadsupdated 11 mo ago
- Giant target fishby 76561198345714939157 downloadsupdated 5 mo ago
- Void Devourerby 76561198357635281It is here... The Wormy Update! This will be the FINAL update of the Void Pack... but I might have something else cooking... Here's the final updated pack so you don't need to go looking for it:155 downloadsupdated 14 mo ago
- Void Plantby 76561198357635281It is here... The Wormy Update! This will be the FINAL update of the Void Pack... but I might have something else cooking... Here's the final updated pack so you don't need to go looking for it:155 downloadsupdated 9 mo ago
- The Bogby 76561199805275375Made him as soon as toxic zone came out, wanted to make a multi stage projectile. His projectile is very easy to interrupt before it starts to enter the final stages because of how fragile it is. Buffed final stage of acid for workshop154 downloadsupdated 16 mo ago
- CM-33132by 76561199112286199154 downloadsupdated 8 mo ago
- REDACTEDA creature with an invalid cell color, it's very presence violates all physical laws. (does nothing, no lag, strafing if you want to move)154 downloadsupdated 3 mo ago
- CM_MIMICby 76561199112286199153 downloadsupdated 8 mo ago
- Lightning Ball Launcherby 76561199870646856This was one of my first decent builds and I am pretty proud of it. (ps. thanks to RegeoTheGreat for helping me with this)152 downloadsupdated 16 mo ago
- CM-Secret bossby 76561199112286199152 downloadsupdated 5 mo ago
- [fusion reactor]by Fractalist--------------------------------------------------------------------------------------------------------------- #1 Tap spacebar one time and let go as fast as possible to load a single fusion orb. #2 let it do it's thing.151 downloadsupdated 6 mo ago
- Shredderby DynoSteady regen recommended, not required.151 downloadsupdated 10 mo ago
- Void Spikerby 76561198357635281It is here... The Wormy Update! This will be the FINAL update of the Void Pack... but I might have something else cooking... Here's the final updated pack so you don't need to go looking for it:149 downloadsupdated 14 mo ago
- Deadly adorable seadragonby 76561198930551975its a deadly poisonous sea dragon. a bit edited version of the games enemy but stronger and with a wiggling tail148 downloadsupdated 13 mo ago
- Marshland Cannonfishby 76561198826524446A powerful creature that fires spheres of explosive, caustic venom.148 downloadsupdated 5 mo ago
- The powerhouse of the cellvery first creature i used to complete the main campaign absolutely overpowered with overcharge and chain lightning (requires chain lightning to not kill itself) pretty much creates an old lightning shield around you using shock + lightning cell combo and has spike+leech to make sure meele builds...148 downloadsupdated 2 mo ago
- Gargantuan Leviathanby 76561199345132416an absolutely humongous extict species from subnautica, averaging at a couple kilometres long. i cant make it its cannon size cuz that would lag way too much but at least we have this147 downloadsupdated 10 mo ago
- Pufferfishby 76561198992985952A literal pufferfish that can... You know how pufferfish work, and can only work when a enemy is nearby. Enjoy! :D146 downloadsupdated 15 mo ago
- Spitter Wyrm [WIP]by 76561198914901595The Spitter Wyrm is an aquatic centipede like worm that shoots acid out of a large nozzle on its head. You can remove & add segments as needed, just remember to include the tail at the end. The Spitter Wyrm is extremely maneuverable and can turn easily even without the use of the seeker cells. [...146 downloadsupdated 8 mo ago
- snappaby 76561199264269767snappa from lethal lagoon! keybinds: space to charge q is for the mouth thingy e is for the lazer mutations!!!: steady regen bigger cells (beta) lighting thingy explosive resistance (not needed but cool) NOT RUN COMPATIBLE!!!! ONLY FOR SANDBOX (credits to zunajira for making lethal lagoon and sna...146 downloadsupdated 4 mo ago
- The Leeching Effectby 76561199852781079146 downloadsupdated 5 mo ago
- CM-18497by 76561199112286199146 downloadsupdated 8 mo ago
- CM-SHREDDERby 76561199112286199144 downloadsupdated 8 mo ago
- JetVain Leviathanby 76561199230266501A fast whip of a leviathan screaming towards its prey, devouring them in a frenzied craze143 downloadsupdated 14 mo ago
- Arcthrower V2by FalchoinAn updated beta branch variant of the Arcthrower. It's been modified to work with the new electric cell rework (again), uses vascular cells for improved regrowth speeds, and is now full solid state with the new transistor cell. The output voltages are lower at the electric cells to minimize some...143 downloadsupdated 11 mo ago
- Rot Partsby 76561199443345585Parts for building your own eldritch horrors. Appearance and functionality inspired by the "Non-Slugcat Playables" mod from Rain World. Parts are easy to modify or even make new ones, including replicating the palette. From top left to bottom right: Sticky Tendril - Used for locomotion and grabbi...143 downloadsupdated 15 mo ago
- CM-ALL DOOM INCARNATEby 76561199112286199142 downloadsupdated 8 mo ago
- CM peeperby 76561199112286199141 downloadsupdated 8 mo ago
- Hämis140 downloadsupdated 9 mo ago
- The Rot Consumesby 76561199039802782IT MUST CONSUME mutations: drift, explosive resistance, mutagenic poison (combo cell poison cell and always on cell) and steady regen139 downloadsupdated 10 mo ago
- super-sonic bean launcher (TM)by Real_zoidbergfire a unfairly fast and angry bean that explodes on contact138 downloadsupdated 14 mo ago
- Radiant Build Mk 2by Alabar3000This build is a bit better than my other in the sense it is much more resilient. The Cool down is MUCH longer though and you must ensure the temperature sensing cells are negative voltage from the cold or else you will cook yourself alive! The radiant cells must be deleted and input after.137 downloadsupdated 15 mo ago
- Void Mothershipby 76561198357635281It is here... The Wormy Update! This will be the FINAL update of the Void Pack... but I might have something else cooking... Here's the final updated pack so you don't need to go looking for it:135 downloadsupdated 9 mo ago
- Void Phantom Jellyfishby 76561198357635281It is here... The Wormy Update! This will be the FINAL update of the Void Pack... but I might have something else cooking... Here's the final updated pack so you don't need to go looking for it:135 downloadsupdated 6 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.