Primordialis
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 v2by Dynohas a strong and fast bite. capable of dealing impact damage by swinging its head around and pushing creatures away with its tail2.0k downloadsupdated 4 mo ago
- (Supercharged Laser Cannon) Stargazer M2by 76561199014971170A new and improved version of my Stargazer laser cannon! Now much more reliable, powerful, and stylish than its precursor of the M1. Hope you like it!1.9k downloadsupdated 16 mo ago
- The Rotby 76561199443345585The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot consumes. The rot c...1.6k downloadsupdated 16 mo ago
- XM-05 Thanatosby gespnetrecreation of XM-05 Thanatos from Terraria Calamity Mod i made a while ago1.3k downloadsupdated 16 mo ago
- super acid launcher mk2by 76561198323717306its like the old one but smaller and it has all the unnecessary parts taken away the mechanism that charges the acid cells and keeps them turned off when not in use is much smaller and stronger and could be used to charge other cells but acid is the best one anyways so yea1.2k downloadsupdated 15 mo ago
- Needle-snakeby DynoA frail serpent-like creature that can impale (and occasionally pin) smaller enemies or lodge itself into larger enemies1.2k downloadsupdated 7 mo ago
- Lava Scuttlerby FalchoinBurn your foes with angry heat drones! The Lava Scuttler is a ~2k biomass creature with built in heat protection, mostly to save itself from friendly fire. No mutations or combo cells required, though it works best with budding while avoiding steady regeneration and parasitism. Triple voltage can...1.2k downloadsupdated 16 mo ago
- Megamouthby DynoA large apex predator that devours its prey whole. includes the current version plus the previous version which was formerly "Mosasaur". The centipede shown in the fifth video has buffed armor and regen, which I may be uploading soon. attacks consist of a somewhat reliable but decent bite, rammin...1.1k downloadsupdated 7 mo ago
- Cold Fusionby FalchoinSet the world on fire with a cold reactor pumping radiant cells! Plus pretty sparks for those rare cases heat alone isn't enough. No combo cells required. Requires a tiny bit of setup to function. A few seconds after spawning in this creature in the game world (after the middle thermoelectric cel...1.1k downloadsupdated 14 mo ago
- Homing Spike Launcherby DuckmanThis Creature launches 4 homing spike missiles that latch on to targets. It took me a while to figure out the mechanics to make them follow properly and not hits its own body. Thankfully i was able to observe some of the premades and figured out how to fix it, needing only a seeker cell on the mi...1.0k downloadsupdated 15 mo ago
- Apathyby 7656119886250220212th iteration. slightly larger than the previous iteration. still not the biggest.1.0k downloadsupdated 12 mo ago
- Devourer Of Gods (Calamity)by 76561199212380588"It ain't over yet, kid." (Second picture has a basic fish for scale to the left)996 downloadsupdated 15 mo ago
- Black Holeby theromanticswbTry to kill it! This thing is made of really dumb combo cells. It will kill ANYTHING that touches it!946 downloadsupdated 16 mo ago
- Pulse Reactor (Updated)by KungfiyahA modern version of the Pulse Reactor design. Uses a new reactor configuration of an old design that oscillates between + and - maximum voltage, about 10^36V. The breakaways capture only negative voltage, which is flipped to positive for use in heat sink + laser combo cells, since plain lasers in...856 downloadsupdated 13 mo ago
- CM-pale finby 76561199112286199826 downloadsupdated 4 mo ago
- Aquatic Scourge (Calamity)by 76561199206418795the Aquatic Scourge from the Terraria Calamity mod769 downloadsupdated 15 mo ago
- Leviathan - Rain Worldby 76561198337136166Leviathan from Rain World! Seek to open mouth, use ability to snap shut. Can one-shot most enemies. Credit to Gmod_Dima from the Primordialis Discord for helping me figure out the bite mechanic :o)753 downloadsupdated 9 mo ago
- Apathy (small)by 76561198862502202the 11th iteration of apathy. significantly smaller than 9. but atleast this can be loaded with minimal issues.728 downloadsupdated 13 mo ago
- The Swamp Quaternaryby 76561199805275375He is like a thingy with venom, yeah.658 downloadsupdated 16 mo ago
- The Singularityby 76561198750900707Do Not!! Judge a book by its cover. The is my greatest creation, also this is a SAND BOX ONLY Build. Find a open area with lots of enemies click space and then sit back and watch as it collapses in to a black hole and a big wave of gravity sucks up all the enemies in a HUGE radius. Killing them a...575 downloadsupdated 10 mo ago
- Fool's Preyby 76561198349579796A creature that is native to dark caverns and mimics small prey to attract other creatures.568 downloadsupdated 16 mo ago
- Countdown timer (3 to 0)by 76561198418850906A simple circuit I made for the game trailer :D559 downloadsupdated 16 mo ago
- Shock Scuttlerby FalchoinSuper charged shocks can deal with most foes and the drones can help with pesky runners or clearing a wider area. Tap left click for drones, hold left click to super charge your electricity (prevents drones from respawning, but honestly they'd just get killed by the shocks anyway). Chain Lightnin...550 downloadsupdated 14 mo ago
- Grimoireby 76561198338267166it has 8 ''spells'' press the buttons to prepare spell (same order as gifs) 1 ⚫ gun, aim manually huge damage 2 🟣 laser, automatic turret 3 🟢⚫parasite, close range enters enemy 4 🔵 shocking, follows enemies and shocks them 5 🟢 acid, manual aim locks onto enemies 6 🟠 fireball, manual aim 7 ⚪ tenta...513 downloadsupdated 7 mo ago
- Laser Scuttlerby FalchoinAn alternate way to burn your foes at range. The laser scuttler's drones don't last for very long, but they burn brightly before they burn out. Built v0.0g497 downloadsupdated 14 mo ago
- Toxic Scuttlerby FalchoinThe Toxic Scuttler fits its name perfectly. Venomous phased drones sap enemies in relative safety or outright kill them with the right Mutagenic Poison mutation (recommend selecting Breakaway Cells). Side jets slightly pushes the small drones away from the main body making them less likely to poi...496 downloadsupdated 14 mo ago
- King Slimeby 76561198345516996Recreation of King Slime from Terraria. It has the ability to crush creatures SPACE to jump (made for the beach/land map) (no i am not making the ninja)493 downloadsupdated 10 mo ago
- Acid Scuttlerby FalchoinPoor ol' Willy. He's gone and dead, his face we shall see no more... for what he thought was H2O, was H2SO4. Acid Scuttler is an acid drone spawning and kiting creature that floods the battlefield while staying safe behind its own jets. No combo cells or mutations required. ~2400 base cost, recom...487 downloadsupdated 14 mo ago
- Mantacidby RawbirtHow to use: Hold Seek (Left click by default) to aim. Hold ability trigger to fire acid. The jets/vacs are balanced to barely influence movement while pushing away the acid in a sheet. Safe to fire and move at top speed. Be careful in tight spaces and tunnels between zones using acid. Even safe a...473 downloadsupdated 13 mo ago
- Maw-Rayby DynoA voracious ambush predator that can maneuver around attackers and prey and strike where it hurts. Can strafe naturally due to its body shape.471 downloadsupdated 12 mo ago
- The Planet Unrooter Leviathanby 76561199230266501Easily my biggest and best build yet! The PUL is a gargantuan life form which, with it's root like tail it rests until charging at it's prey. Then with it's Titanic jaws it swallows the smallest of fish or even other leviathans. A cycle which has been happening since ancient times.467 downloadsupdated 14 mo ago
- Ramiel V12by 76561199804543260Ramiel was originally a series of creations, but the 12th one became special, and ended up being the only one to get continuous updates. Ramiel's purpose is to kill other creations, and throughout it's long and bloody history, it has claimed the lives of 50 other kaiju's (50 wins, 5 losses (I eve...461 downloadsupdated 7 mo ago
- Rain World Leviathanby 76561199217652342Took quite abit but here it is, for those wanting to use this against other creatures i recommend the explosion resistance mutation452 downloadsupdated 10 mo ago
- Shark Like Huge Baseby 76561198814025890Even bigger and now comes with colour Also credit would be nice if you do use it Just do this Original from: Thats all thanks436 downloadsupdated 14 mo ago
- Leviathan Jellyby 76561199095479284A very large jellyfish with spiked tentacles425 downloadsupdated 16 mo ago
- Scuttler Scuttlerby FalchoinFor when you need all the scuttlers! Each left click drops a pair of spawners which can make up to 8 angry spike/poison baby scuttlers each. Requires Budding mutation. No combo cells needed. Built v0.0g421 downloadsupdated 14 mo ago
- Ancestor Puffawormby 76561198992985952A bigger Puffaworm than the small red Puffaworm (I like to call them Puffaworms). Press and hold spacebar to "PUFF!" Your front to eat EVERYTHING it touches. enjoy :)414 downloadsupdated 15 mo ago
- Drone Factoryby 76561198992985952Want drones? You got it, introducing the Drone Factory! To spawn drones push the spacebar. To release BD, (Big Drone) just hold spacebar. and spawn the Factory near walls too. Enjoy! :)408 downloadsupdated 15 mo ago
- motherootby 76561198758238728a gigatic "plant" like structure, it expands and its very territorial, has a very long tentacle. it will expand408 downloadsupdated 7 mo ago
- Frostmawby FalchoinToo big to bring into a normal game easily, the Frostmaw is a 5k biomass creature using Entropic Reversal to freeze and shatter foes. It's still fun to mess around with in my opinion. Spacebar for boost. Left click to open the maw and shoot. Built v0.1 beta.393 downloadsupdated 11 mo ago
- Roomba Scuttlerby FalchoinThe main body glows brightly in the darkness, its drones silent killers until their prey is already too close to escape. 'Ware the bright orange lights in the depths, for they signal doom. There's no escaping the deadliest roomba of the dark. I blame L0aF3r for this one. Built v0.0g384 downloadsupdated 14 mo ago
- All Hatred Incarnateby 76561198355912132Enough. You've gone through life powerless for far too long. The raging fire in your heart turns into anger. Anger turns into rage. Rage turns into Fury. Fury turns into madness. Madness turns into bloodlust. Bloodlust turns into an infinitely intense sense of rancor. It builds up second by secon...377 downloadsupdated 9 mo ago
- Argenteus Conchby 76561199194633839A very large conch, it's shell has some silver coating on it, it has big slorper and likes to slorp everything ever no exceptions. Basically indestructible to almost everything. Also has a... tube that it likes to use to spray corpses with... acid... Don't hate me I was just using a cartoonish li...375 downloadsupdated 4 mo ago
- Snapperby DynoIt snaps! Already performs well without mutations but goes hand-in-hand with steady regen as it uses self-colliding cells on its jaw. The head does lean *slightly* to the right while swimming.374 downloadsupdated 13 mo ago
- Radioactive Devourer Leviathanby 76561199230266501Part of a species with severe sexual dimorphism and with males which are many times rarer than the females. This is a male, many times larger than it's female counterpart. It uses it's large jaws to crunch and crush and uses it's powerful laser to disintegrate it's prey and foes. Only found in th...366 downloadsupdated 14 mo ago
- King Jellyby RawbirtInspired by "Pistol Shromp" created by møth in the Primordialis Discord - check that out too, it's really cool. How to use: Hold Seek (Left click by default) to aim with a low power laser Hold ability trigger to fire, will not fire with a quick tap. This is intentional. Stasis Disclaimer: Using s...352 downloadsupdated 13 mo ago
- whaleby 76561198407871008a whale in primordialis, which can summon a caff note: not 100% realistic to irl whales, needs rebirth and lots of combo cells, needs to be rotated after loading349 downloadsupdated 15 mo ago
- stasis gunby usezerA gun that can shot inside your vessel with high range! If you hold space bar.347 downloadsupdated 15 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.

