
The alpha.jar
adds another world and entity to your world!.
Screenshots





About this Mod
KNOW AS SIXALPHASIX
Core Gameplay Additions
- Scary entities that simulate world infection
- Multiple unsettling dimensions
- Random horror-style world events
- Custom music and audio effects
- Visual overlays and screen effects
Dimensions
- Adds many custom dimensions with maze, liminal, void, and distorted themes
Examples include:
- Limbo, Liminality, Mazes, Abyss
Suburbs, Flatland, Endless, Dream
No_Escape, Demise Maze, Aftermath - Some dimensions are entered using chat commands:
err.level1 → err.level5 - one last dimension
- Type Return to go back to the overworld
Random Events System
- Unexpected structures appearing
- Strange chat messages and fake system messages
- Fake join/leave notifications with your username
- Entities briefly staring at the player
- Lightning strikes and void chunk effects
- Screen rotation and overlay effects
- Music disc drops and custom sounds
- Infection-style event triggers
Entities
Infected and watcher-type creatures
Disguise mobs with fake appearances
Void and anomaly entities
Stalker-style mobs
Floating and orb-shooting entities
Error-themed and glitch-themed mobs
Configuration Options
Toggle fast events
Toggle screen overlays
Enable or disable warnings
Adjust event behavior using config menu
Compatibility Notes
- Do not combine with heavy biome mods (example: large biome expansion mods)
- May cause excessive mob spawning if combined with biome overhauls
Additional Notes
- Focused on atmosphere, not traditional progression
- Not centered only on dimensions, but also on events and anomalies
- Custom songs are included
Available Versions
How to Install The alpha.jar on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "The alpha.jar". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.9 (+10 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
The alpha.jar 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 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is The alpha.jar compatible with forge and neoforge?
The alpha.jar officially supports forge, neoforge for Minecraft 1.21.11, 1.21.10, 1.21.9. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with The alpha.jar – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if The alpha.jar 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.
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Install The alpha.jar with just one click on your server.