CurseForge · Minecraft modpack
Parasitus
Modpack: Survive after civilization has collapsed. Horrifying creatures come for you and evolve over time becoming harder
Quick answer
Which Parasitus release should I use?
Parasitus V3.41 is a complete pack release for 1.12.2 with Forge 14.23.5.2864. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 124 mods in this pack file.
Pack setup
How should I set up Parasitus for players and a server?
Use Parasitus V3.41 as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.
A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.
These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.
What are the server requirements for Parasitus?
Parasitus V3.41. Change the pack release and its contents or setup may change too.
The selected pack release is Parasitus V3.41. That file is for Minecraft 1.12.2 with Forge 14.23.5.2864. It contains 124 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.
About this project
What kind of pack is Parasitus?
(Make sure to check out my other mods & Addons! All high quality!)
Unknown to you, something is underground, something fast, and it is coming up to kill you.
Civilization has fallen and whatever part of the Government is left does not care for citizens. Even if you do find some military soldiers, chances are, they will shoot you on sight. Everyone you knew is either gone or now undead and no, zombies are not the things I am talking about, not even close.
I realize as you read this, no number of words I write can describe what I am talking about, so I will just show you.
(Old Cinematic Trailer click here)
Time to Begin
-Allocate around 5-7 ram for the Modpack & play with the already selected world type called "(7D2M)"
-Play with Render Distance 12 or less, structures are highly detailed so having so many chunks loaded with can lag you.
I pledge to keep this Modpack up to date with every major Scape & Run Parasite update!
FAQ
-Mutiplayer?
For mutiplayer without servers: Essential is incompatible due to my performence mods, you could use e4mc retro but it is unstable, I recommend a server for mutiplayer.
For Servers: Download the Server File, in server properties for the level type put put "SEVENDAYS" and put allow-flight to true. This world type stops vanilla villages spawning as they tend to clip into all the modded structures and flight allows players using endgame tech to not be kicked. I also recommend pre-generating the world with a mod if you have tons of players as loading so many chunks at once with such detailed structures can cause lag if so many players are exploring all directions at once. Especially a city generating. (If using pre-gen, temporaily disable Alfheim Lighting Engine mod and Weather 2 mod)
In general the mod wont continue to evolve when players are offline so you can leave it on 24/7 but if you have an active server with a small amount of people coming in and out constantly during off hours, I recommend leaving the server on for a certain amount of hours, like 12 hours a day for example. (These parasites will wreck you if your not prepared) or adjusting each phase manually with commands depending where players are at.
-Can I use OptiFine/Shaders?
(Just note, besides Shaders the modpack already has a Zoom feature, dynamic lights, great performence and even skin variations. So besides shaders, OptiFine wont make a big difference)
Remove the following mods for OptiFine: VintageFix, SimpleZoom, Chunk Pregenerator and Random Mob Textures.
Only remove lightaura if you plan to use OptiFine built in dynamic lights, otherwise use the light system from "LightAura"
For Shaders, in settings turn on Anti-aliasing. Then access the Weather EZ button top of the pause menu (NOT the main menu) and turn on shader compatability, with options such as SEUS or other.
I highly recommend adding alongside OptiFine these:
Scape and Run: Emissives - Minecraft Resource Packs - CurseForge(Only works with shaders)
OptiNotFine - Minecraft Mods - CurseForge
- I crash when I load into a world/load into a new world
A very very small percentage of players run into this issue. It occurs for various reasons such as old intel hardware
java.lang.NoSuchFieldError: Class org.lwjgl.opengl.ContextCapabilities does not have member field 'boolean GL_ARB_direct_state_access <--- A error that appears in the logs=
Disable the mod improved Cleanroom, its a huge performence mod but is the only way to fix this issue.
-Why aren't points going up?
This is normal, a long cooldown to prevent phases going up too quickly and you being overwhelmed with monsters. Read the next question answer if you want to just remove the cooldown
-Why did the Phase/Stage go down?
I was hoping I fixed that bug with my changes but just incase I left this here; this is what you have to do.
"/srpevolution setphase #" Replace # with the number of the phase you was at.
Then you have to remove the cooldown from the Phase so you aren't waiting again, to remove the cooldown do these steps:
- Open the files and go to the Config folder
2.Find and open the srparasites folder
Open SRParasitesSystems.cfg (Use whatever to open it, notepad+ is fine for example)
Press Ctrl + F and quick search the word "Phase # Delay" (Replace # with the Phase/Stage number you are looking for)
Make the delay Number 0. After, save and close.
-Will you update to the latest Scape and Run Parasite version?
Yes but only if it is stable. Each update resets the configs which takes time for me to redo and then test if it works with the new changes + to make sure no new bugs make the game unplayable. So please be patient as I work on the Modpack!
Fixes/Changes next update
All planned fixes/changes may not be listed here
-Nerf damage of wooden spikes, the augur and other 7dtm items
-Fix 7dtm Zombies spawning in the end
-Fix techgun sound glitch
Future Updates Planned
Besides the issues/changes mentioned above^, here are major updates planned for the modpack!
-Around 18 new structures.
-Around 60 new modern ruined decoration blocks + adding them to all existing/new structures.
-Custom Player & Mob animations
-Overhauled cities, currently the cities in the modpack are not up to my standard. We are planning it out at the moment.
-When the cities are in progress^ aka we are far into making it a reality. I plan new posters and in world ads, things that will make it so the cities feel alive. Current structures already have this but reusing these assets would be too repetitive.
Credits
Purplekelix (Head Dev)
Director, Community, Builder, Testing, Budget and some CraftTweaker Scripts
Nykrdaudr (Dev)
CraftTweaker Scripts, Builder and Testing
AHOH (Dev)
Coder https://porfoliooo.web.app/
Buba (Contributer)
In-depth Testing and Feedback
Hazem Hisham (Paid Help)
The Artist who made majority of art in the modpack, they take commissions too here: Hazem Hisham | Profile | Fiverr
Modpack Github: https://github.com/Parasitus-modpack
Discord, report issues or see teasers: https://discord.gg/fHWabgrbKc
Donate please: Paypal Donations or Patreon.com/PurpleKelix
Want a POWERFUL & AFFORDABLE server host?

Get 25% with my code "lowspot" on your first server purchase here: Lagless.gg
Then you will be able to run even the heaviest of mods/addons smoothly, here is proof below because words are just words, but here is proof:

Project description from CurseForge.
Mods in Parasitus V3.41
Open any mod on Modpacks.ch to check its files and dependencies.
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Parasitus by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Made local changes? Try them in a copied instance before touching a world you care about.
Recent files
Parasitus versions and loaders
Parasitus Main FIXING TIME (No more stories, the zombies got him)
14 Feb 2026
Check the 1.12.2 · Forge setupLooking for an older file? The official CurseForge project page is in Resources.