Lattice Weaver

Local couch co-op for Minecraft. Two or more players, each with their own mouse and keyboard, all on one PC.

Download

Windows 10/11. Drops into any folder — no installer.

Download lattice-weaver.exe All releases

SHA-256: 1f2445dd685e6fcc040c28b864effed99ee7090e02946f836bef196b5d791353

How it works

Lattice Weaver is the companion app for the Lattice mod on Modrinth. Install the free mod into each Minecraft instance, run Lattice Weaver, assign a mouse and keyboard to each player slot, and every player gets their own game window on the same PC.

45-minute free trial — active playtime only, no card required
One-time $14.99 license unlocks unlimited use
Activation is one POST — offline forever after

Buy a license key Install the mod

After you buy

Polar emails your key instantly. Activate with:

lattice-weaver.exe --unlock latw-XXXXX-XXXXX-…

One key per PC. To transfer to a new machine, re-run the unlock command from there — the server auto-rebinds after a 365-day cooldown, or email support@bide.cx for a faster rebind.

Compatibility

Windows 10 or 11
Fabric-loader Minecraft (1.20.1, 1.21.1, 1.21.8, 1.21.10, 26.1)
Interception kernel driver recommended (the companion prompts you to install it on first run if missing)