Labs_underpass_p.upk <Top 100 Fast>

Create a backup of the original Labs_Underpass_P.upk to avoid losing the default map.

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? Labs_Underpass_P.upk

Disclaimer: Modding Rocket League is done at your own risk. Always backup your files. Map files & packages - RL Modding Wiki Create a backup of the original Labs_Underpass_P

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

This method is primarily for local play and Freeplay.