Start Fortnite in 'Creative' mode

Select 'Discovery' then 'Island Code'

Type in (or copy/paste) the map code you want to load up.

You can copy the map code for 🚀🥅 ROCKET LEAGUE IN FORTNITE (New Cars) روكيت ليق في فورتنايت 🚀🥅 by clicking here: 3204-5365-7074