code44.jar
by acho44
Code44 is a Forge horror mod for 1.20.1 that slowly turns a normal survival world into an escalating anomalous experience, with no single moment that marks the change.
What it does
Code44 is built around psychological horror. The chaos of an ordinary Minecraft world is turned into something unsettling: loud sounds arrive without cause, the atmosphere grows oppressive, and the game sometimes breaks its own fourth wall. Timed horror events unfold across in-game days, so a player who keeps a world going will meet them in sequence rather than all at once.
Several systems support the effect. Custom entities create false sightings, environmental anomalies bring strange sounds and misleading encounters, and animals behave in ways that feel wrong. Distorted structures and scripted scenes appear in the world as well. The mod is designed for both singleplayer and multiplayer, and it runs on client and server, so the server and every player need it. Files are published for Forge 1.20.1 only, with 0.1.42-fixed as the latest build from 2026-06-01. The code is licensed as All rights reserved, so the mod is not open source.
Key features
Loud sounds
Sudden loud sounds interrupt ordinary play, pushing the player off balance at unpredictable moments.
Timed horror events
Scripted events advance over in-game days, so the scare builds gradually instead of arriving at once.
False sightings
Custom entities appear briefly and then disappear, leaving the player unsure what they saw.
Distorted structures
Familiar structures are altered and some play out scripted scenes when the player finds them.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
How it compares
Lurking Depths is a Forge mod for 1.20.1 that runs on client and server and is released under the MIT License. A Happy World.jar [Horror] is Forge-only for 1.20.1 and runs on the client alone, while released under All rights reserved. Vivarium [Horror] is also a Forge mod for 1.20.1 that runs on client and server, released under the MIT License, so both sides need it as well.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| code44.jar | Forge | 1.20.1 | Client and server | 2026-06-01 |
| Lurking Depths | Forge | 1.20.1 | Client and server | 2025-03-17 |
| A Happy World.jar [Horror] | Forge | 1.20.1 | Client-side only | 2026-07-19 |
| Vivarium [Horror] | Forge | 1.20.1 | Client and server | 2026-10-11 |
Questions
Does Code44 need to be installed on the server?
Can Code44 be played in singleplayer?
Which game version does Code44 support?
In the catalog
code44.jar is one of 7,555 Cursed mods on ModsFinder, and one of 3,426 Cursed mods for Forge. 34,764 mods support Minecraft 1.20.1.
Similar mods
What the author says
Code44 is a psychological horror mod for Minecraft Forge 1.20.1 that turns a normal survival world into a slowly escalating anomalous experience. It is designed for both singleplayer and multiplayer.
Official listing
- Modrinth page
- modrinth.com/mod/code44.jar
- Owner
- acho44
- Published
- 2026-05-01
- Updated on Modrinth
- 2026-06-01
- Facts verified
- 2026-10-15