Made for Windows 11

HappinessMP is developed using modern C++ to ensure compatibility and optimal performance on the latest computer systems.

No Downgrade

HappinessMP is built for the latest version of Grand Theft Auto IV. Therefore, no downgrade is needed compared to other modifications.

Best Synchronization

HappinessMP uses the original multiplayer network code, which brings the best possible synchronization and also allows to keep the original game AI.