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unknown_file.jar
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A horror mod that slowly corrupts your world while you uncover its deep past
Designed to be spooky or terrifying, often including dark environments, scary monsters, and survival horror mechanics.
Includes a large focus on traversing worlds with enhanced world generation, structures, dungeons, and more for players to find unique loot.
General improvements to world generation, such as bug fixes, aesthetic overhauls, or misc additions.
Neoforge is a fork of the Minecraft Forge available for versions 1.20.1+ of Minecraft. Many Forge mods are compatible with Neoforge and vice versa.
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Something wanders where it shouldn't in a world where you don't belong.
unknown_file.jar is a RANDOM progression horror mod that slowly corrupts your world (it isn't really slow lmao), while you uncover the secrets of its dark past. This mod sends you back to the alpha versions of minecraft, but things feel really odd. People who don't belong join, world corrupts itself slowly while it tries to kick you out. (I put it as random progression because in current versions of the mod you can get pretty much any heavy event after Shadow joins)
Some things on the mod still don't work as intended and/or will be given use in the future. Its recomended that you don't play with any other mod that changes terrain generation or any other horror mod for the best experience. Its on you though!
WARNING:
This mod can:
- erase your worlds
- ban you from worlds
- create popups
- forcefully crash or close the game
CREDITS:
- Alpha/Classic textures from Golden Days Alpha
- Modern Beta for the testing of the no hunger stuff
- Some assets from Scott Cawthon games (might change in future versions)
- nicopatty for the HERE I COME remix used for Corrupter's WIP fight, go check it out here :D
FINALLY ON (curse)FORGE! Check the modrinth upload:
https://modrinth.com/mod/unknown_file.jar
JOIN OUR DISCORD!
https://discord.gg/QfyZE8pZdW
UNKNOWN_FILE.JAR
something wanders where it shouldn't in a world where you don't belong

unknown_file.jar is a RANDOM progression horror mod that slowly corrupts your world (it isn't really slow lmao), while you uncover the secrets of its dark past. This mod sends you back to the alpha versions of minecraft, but things feel really odd. People who don't belong join, world corrupts itself slowly while it tries to kick you out. (I put it as random progression because in current versions of the mod you can get pretty much any heavy event after Shadow joins)
Some things on the mod still don't work as intended and/or will be given use in the future. Its recomended that you don't play with any other mod that changes terrain generation or any other horror mod for the best experience. Its on you though! WARNING: This mod can:
- erase your worlds
- ban you from worlds
- create popups
- forcefully crash or close the game
CREDITS:
- Alpha/Classic textures from Golden Days Alpha
- Modern Beta for the testing of the no hunger stuff
- Some assets from Scott Cawthon games (might change in future versions)
- nicopatty for the HERE I COME remix used for Corrupter's WIP fight, go check it out here:D
NOW ON CURSEFORGE! CHECK IT OUT: https://www.curseforge.com/minecraft/mc-mods/unknown-file-jar
JOIN OUR DISCORD! https://discord.gg/QfyZE8pZdW
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