CurseForge · Minecraft mod
Unusual Spawning
An natural spawning addon for Unusual Prehistory 2
Quick answer
Which Unusual Spawning release should I use?
Unusual Spawning unusual_spawning-1.20.1-1.3.2.jar targets 1.20.1 with Forge. The project page does not say whether this file belongs on the client, dedicated server, or both. All 2 required mods have matching files.
Where it goes
Is Unusual Spawning required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Unusual Spawning unusual_spawning-1.20.1-1.3.2.jar need?
unusual_spawning-1.20.1-1.3.2.jar. Change the file and its required mods may change too.
Install Unusual Prehistory 2, Patchouli first. We found matching files for this game-version and loader setup. 5 come through another mod in the chain.
5 extra mods were pulled in by other dependencies. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Unusual Spawning without breaking your instance.
Built for Unusual Spawning unusual_spawning-1.20.1-1.3.2.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use unusual_spawning-1.20.1-1.3.2.jar. It targets 1.20.1 with Forge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Unusual Prehistory 2, Patchouli first. We found matching files for this game-version and loader setup. 5 come through another mod in the chain.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside unusual_spawning-1.20.1-1.3.2.jar. It opens that exact file at the source.
About this project
What does Unusual Spawning add?
This addon will add a natural spawn system to both mobs and plants from Unusual Prehistory 2 mods that exist on their respective biome.
List of Mobs biome
Carnotaurus - Savanna, Badlands
Diplocaulus - Swamp, Mangrove Swamp
Dromaeosaurus - Plains, Forests
Dunkleosteus - Warm Ocean, Lukewarm Ocean (Removed)
Jawless Fish - Warm Ocean, Lukewarm Ocean (Removed)
Kentrosaurus - Plains, Jungle, Savanna, Forests
Kimmeridgebrachypteraeschnidium - Swamp, Beach
Majungasaurus - Jungles, Beach
Megalania - Savanna
Metriorhynchus - Warm Ocean, Lukewarm Ocean (Removed)
Onchopristis - Rivers (Removed)
Stethacanthus - Warm Ocean, Lukewarm Ocean (Removed)
Talpanas - Dark Forest, Lush Caves, Beach
Tartuosteus - Warm Ocean, Lukewarm Ocean, Deep Ocean, Deep Lukewarm Ocean, Ocean (Removed)
Telecrex - Plains, Meadow, Savanna
Kaprosuchus - Savanna
Desmatosuchus - Swamp
Lystrosaurus - Swamp
Pachycephalosaurus - Badlands
Psilopterus - Savanna
Leptictidium - Desert, Badlands
Ulughbegsaurus - Plains, Beach
Coelacanthus - Deep Ocean (Removed)
Lobe Finned Fish - River (Removed)
Hibbertopterus - Swamps
Pterodactylus - Caves, Beach
Brachiosaurus - Sparse Jungle, Beach
Praepusa - Frozen Ocean, Snowy Beach
Aegirocassis - Deep Ocean
Mosasaurus - Deep Ocean
Most of the aquatic animal spawn have been disabled in lastest version due to unfixable overspawn issue.
List of Plants biome
Gingko - Forests
Lepidodendron - Swamps
Bennettitales - Badlands, Deserts
Calamophyton - Swamps
Cladophlebis - Swamps, Forests, Jungles
Cooksonia - Meadow, Plains
Horsetail - Swamps, Forests, Jungles
Giant Horsetail - Swamps, Forests, Jungles
Leefructus - Swamps, Forests, Jungles, Plains
Moss Layer - Swamps
Quillwort - Swamps, Rivers
Raiguenrayun - Sunflower Plains
Rhynia - Swamps, Beach
Aethophylllum - Jungles, Swamp (Removed)
Archaeosigillaria - Swamp (Removed)
Brachyphyllum - Old Growth Taiga, Swamp (Removed)
Neomariopteris - Badlands, Desert (Removed)
Tempskya - Old Growth Taiga (Removed)
Delitzschala Stalk - Swamps (Removed)
Zhangsolva Bloom - Sunflower Plains (Removed)
This addon is also compatible with:
Windswept
Spawn
Environmental
Atmospheric
Nature's Spirit
Biomes O' Plenty
Oh the Biomes We've Gone
Region Unexplored
Special Thanks to:
Unusual Prehistory 2 Team for creating the mod
Platypus, for helping and tweaking the spawn system
If you found any problem or bugs, please report to the comment section or discord server
Project description from CurseForge.
Pick your setup
Unusual Spawning by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Unusual Spawning versions and loaders
unusual_spawning-1.20.1-1.3.2.jar
31 Oct 2026
unusual_spawning-1.20.1-1.3.1.jar
2 Apr 2026
unusual_spawning-1.20.1-1.3.jar
2 Apr 2026
unusual_spawning-1.20.1-1.2.1.jar
28 Jan 2026
unusual_spawning-1.20.1-1.2.jar
13 Dec 2025
unusual_spawning-1.20.1-1.1.jar
unusual_spawning-1.20.1.jar
9 Dec 2025
unusual_spawning-1.20.1-1.0.jar
8 Dec 2025
Looking for an older file? The official CurseForge project page is in Resources.