This is purely a design concept for server-side moderation — not a crack, not a bypass, and not for piracy. It respects Wube Software’s EULA and could even be officially supported if they chose to add an optional “verified-only” toggle to multiplayer.

The game automatically detects, downloads, and matches the host's mod list when you click "Join."

Mindustry is an excellent open-source alternative that combines factory automation with tower defense elements. It features robust multiplayer support and is available completely free, with source code available on GitHub.

: Most public and dedicated servers have the verify-user-identity setting enabled by default. This checks the connecting player's unique ID against official records; cracked clients with invalid or spoofed IDs are automatically rejected. Multiplayer Methods for Cracked Versions

You also need to point the updater to a dead link to prevent the game from "phoning home" and realizing the token is fake .