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Odyssey | A Post Apocalyptique Adventure

by The Intrusive Thoughts Gang

Players who want a story-driven route through a dark facility can use Odyssey | A Post Apocalyptique Adventure, which adds a new dimension and a revamped environment to the game.

FabricClient and serverAll rights reserved1.21.1

What it does

Odyssey is a Fabric mod for 1.21.1 that turns Minecraft into a story-based adventure. The player is an outcast who builds new weapons, uncovers secrets and goes deeper into a post-apocalyptic setting, searching for a friend named Evelyn and picking up companions along the way. Its focus is immersive gameplay and good graphics.

The mod is installed on the client and the server, so both sides need it. Sodium is an optional dependency that the mod can use, and Iris Shaders is listed as incompatible. Geckolib, MidnightLib, Mod Menu, Simple Voice Chat, Sound Physics Remastered and Veil are bundled inside the mod, so they are not installed separately. The work is still in progress, and the author describes further polish as planned.

The mod is released under All rights reserved and is not open source. Public links exist for the source code and the issue tracker. The only Fabric build listed is 1.1 for 1.21.1, published on 2025-11-04, and the author warns that the mod is meant for computers with high specifications and contains flashing lights that can affect photosensitive players.

Key features

  1. Built-in shaders

    Performance-friendly shaders are included in the mod, so no separate shader pack is needed for its lighting.

  2. Colored lighting

    Colored light sources are rendered through the Veil engine, which the mod bundles.

  3. New movement and body mechanics

    Wall running, body modification and heart sacrifice are new gameplay mechanics added to the player.

  4. Energy spear and mech suit

    New weapons include an energy spear with a dash ability and a THRASHER mech suit.

Compatibility

Latest build for each game version and loader.

1.21.11.1
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Optional 1

SodiumA high-performance rendering engine replacement for Minecraft, which greatly improves frame rates and reduces micro-stutter.
Optional

Incompatible 1

Iris ShadersA modern shader pack loader for Minecraft intended to be compatible with existing OptiFine shader packs
Incompatible

Embedded 6

GeckolibA 3D animation library for entities, blocks, items, armor, and more!
Embedded
Sound Physics RemasteredA Minecraft mod that provides realistic sound attenuation, reverberation, and absorption through blocks.
Embedded
MidnightLibCommon library providing a lightweight configuration system
Embedded
VeilUpgrade your modding potential with cutting-edge rendering and game-engine features. Built for modders, by modders.
Embedded
Simple Voice ChatA working voice chat in Minecraft!
Embedded
Mod MenuAdds a mod menu to view the list of mods you have installed.
Embedded

How it compares

Full comparison

Onechunk Odyssey is a Fabric mod for 1.21.1 that is client and server and open source under the Apache License 2.0. Advancements Odyssey is a Fabric mod for 1.21 – 26.1.2 that is server required with client optional, and it is not open source. Pfosten is a Fabric mod for 1.21.1 that is client and server and is released under All rights reserved.

ModLoadersGame versionsEnvironmentUpdated
Odyssey | A Post Apocalyptique AdventureFabric1.21.1Client and server2025-11-04
Onechunk OdysseyFabric1.21.1Client and server2026-07-16
Advancements OdysseyFabric1.21 – 26.1.2Server required, client optional2026-05-06
PfostenFabric1.21.1Client and server2025-11-22

Questions

Does Odyssey need Sodium?

Sodium is an optional dependency, so the mod runs without it. Iris Shaders is listed as incompatible.

Does the server need Odyssey installed?

Yes. Every player and the server need a copy of the mod.

Which game versions does Odyssey support?

The only listed game version is 1.21.1, and the only Fabric file is 1.1 for 1.21.1.

In the catalog

Odyssey | A Post Apocalyptique Adventure is one of 8,515 World generation mods on ModsFinder, and one of 4,027 World generation mods for Fabric. 32,366 mods support Minecraft 1.21.1.

More from The Intrusive Thoughts Gang

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What the author says

This mod is a work in progress much more will be added and polished in the future Warning this mod is meant for computers high specs continue with caution!
The Intrusive Thoughts Gang, on the Modrinth page

Official listing

Owner
The Intrusive Thoughts Gang
Published
2025-11-04
Updated on Modrinth
2025-11-04
Facts verified
2026-10-15

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