3-1 is the starter map for VRU and is the home for their base. Enemy players from EIC and MMO like to invade this map at a high rate. To Invade 3-1, you must be level 16 or higher.
J24 links 3-1 to 3-2 and is located in the top right corner.
This map is also home to the Galaxy Gates, Invasion Gates, and other special event portals.