This method is primarily for local play and Freeplay.
For easier management, consider using the Rocket League Map Manager on GitHub to switch between custom maps automatically.
Ensure the map you are using is up to date and correctly renamed. Labs_Underpass_P.upk
Move your renamed custom map into the mods folder.
Have you ever wanted to play custom Rocket League workshop maps but felt lost with the file management? The most effective way to play custom maps on PC is by utilizing the map as a base. This method is primarily for local play and Freeplay
Create a backup of the original Labs_Underpass_P.upk to avoid losing the default map.
Open the game, select "Freeplay" (or local match) and choose "Underpass". Your custom map will now load. Pro Tips for Map Modding Move your renamed custom map into the mods folder
No, you can ignore the universal Mods.upk file for this method.