
Similar Prehistory
An addon for Unusual Prehistory, adds new creatures from the past!
Screenshots






About this Mod

This mod was originally planned as an addition to the "Unusual Prehistory " mod created by "p33ko322131." All animations, mechanics, and skins are inspired by that mod, as well as other audiovisual media and updated versions of the base game.
Support for compatibility with the first version of "Unusual Prehistory" will be discontinued in order to focus entirely on "Unusual Prehistory 2" in future updates, but it will continue to function independently.
"REQUIRES GECKOLIB"
In this addon/mod, you will find a variety of unique mobs that will expand the prehistoric fauna in the game, as well as new structures that will generate in the world.
Requires " Natural Prehistory Spawns " to enable dinosaur spawning.
The current list of creatures is:
- Dakotaraptor
- Sinosaurus
- Oxalaia
- Charonosaurus
- Latenivenatrix
- Coahuilasaurus
The current list of structures is:
- Dakotaraptor trapped in resin.
- Oxalaia trapped in resin.
New creatures and structures will be added in future updates.
Extras:
- Renaming a Sinosaurus "Dennis" will change it a special skin.
- Renaming an Oxalaia "Sunset" or "Snock" will change it different special skins.
For additional information of creatures, consult the in-game encyclopedia.
For more information about the mod, questions, suggestions, and news, join our Discord Server

Available Versions
How to Install Similar Prehistory on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "Similar Prehistory". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1
Server-side
✓ RequiredRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
Similar Prehistory server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.
Is Similar Prehistory compatible with forge?
Similar Prehistory officially supports forge for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Similar Prehistory – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if Similar Prehistory consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Similar Mods
Rent Modded Server
Install Similar Prehistory with just one click on your server.