Use the following generator codes:
Codes for North American version:
7873155: England-based map with a lot of bridges.
90210: map with a few hour glasses and some small and large islands.
smashsumfruit: tiny island with all the worms.
spire: moderately sized low altitude map with two blimps.
steller: horror-based map that is quite small and very explosive.
slipknot: pirate-based map with an airship.
sugarcult: big winter wonderland.
finalfantasy: small winter wonderland.
jackassthemovie: level with a small amount of land with ghosts at night.
marijuana: massive island map.
doggystyle: lunar-based map with a spaceship and giant laser gun.
bigfoot: level with a huge hollow pyramid shaped island, and two smaller islands.