BlockBoy
Gameboy (Color) emulator for fabric servers. Works serverside as well as in single player.
Optionally supports the simple voice chat mod for audio.
Put Gameboy (.gb) or Gameboy Color (.gbc) roms in a folder called roms in your server's root directory - this can be configured in configs/blockboy.json.
Save files will be placed in the roms/ folder - this can also be configured.
Commands:
/blockboy <rom name>
To leave the current game:
/exit
The screen can be scaled using /scale 1-5
Permissions for Luckperms and friends: blockboy.command, with vanilla permission level 1
Controls:
- WASD = D-PAD
- Jump = A
- Sneak = B
- Left Click = Start
- Right Click = Select
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.5
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as BlockBoy-0.9.0+1.21.5.jar — drop this file into the mods folder
- Download size: 504 KB
- Download link checked 30 Aug 2026 — working
These come from our own check of the pack file, not from the source page.