Labs_underpass_p.upk 🎯 Trusted

You don’t need to swap files between playing online and playing offline.

This blog post guide helps Rocket League players navigate the complexities of using custom maps via the Labs_Underpass_P.upk method. Labs_Underpass_P.upk

No, you can ignore the universal Mods.upk file for this method. You don’t need to swap files between playing

Labs_Underpass_P.upk is the underlying file for the "Underpass" Rocket League map. By replacing this specific file with a custom map file and naming it properly, you trick the game into loading your custom map instead of the standard Underpass, allowing you to play workshop maps in Freeplay. Why Use the Underpass Method? Labs_Underpass_P

This guide will walk you through setting up, testing, and managing custom maps using the Labs_Underpass_P.upk file method. What is Labs_Underpass_P.upk?

Move your renamed custom map into the mods folder.