This method is primarily for local play and Freeplay.
Disclaimer: Modding Rocket League is done at your own risk. Always backup your files. Map files & packages - RL Modding Wiki
Take the custom .upk file you downloaded and rename it exactly: Labs_Underpass_P.upk .
This method is primarily for local play and Freeplay.
Disclaimer: Modding Rocket League is done at your own risk. Always backup your files. Map files & packages - RL Modding Wiki
Take the custom .upk file you downloaded and rename it exactly: Labs_Underpass_P.upk .