Map Multipliers


 * Map 1: spawn (cost: free, world boost x1)
 * Map 2: Decaying Desert - (cost: 100k rebirths, world boost x1.5)
 * Map 3: Frozen Tundra (cost: 1mil rebirths, world boost x2)
 * Map 4: Crystal Cove (cost: 10mil rebirths, world boost x3)
 * Map 5: Lava Wasteland (cost: 50 mil rebirths, world boost x3.5)