BiaTest Invasion for MORDHAU is a free modification designed for Windows that enhances gameplay by introducing a remake of the Biatest invasion map, specifically tailored for 6v6 matches. This mod allows players to experience a refined tactical environment, adding depth to the multiplayer experience in MORDHAU. The command to activate this map is 'inv_biatest', making it easy to integrate into gameplay sessions.

To install BiaTest Invasion, users need to modify their server's game.ini file by adding specific mod IDs under designated script sections. This straightforward installation process ensures that players can quickly set up the mod and enjoy the new map without complicated procedures. Overall, this utility enriches the MORDHAU experience, providing a fresh battlefield for strategic team play.