Unlock the following levels by performing the corresponding tasks:

LEVEL - HWO TO UNLOCK
Endless Tokyo Dristone Driller level - Complete Dristone Driller.
Endless Outer Space level - Unlock all Drillers by completing all levels in mission mode to unlock the Outer Space level.
Endless Outer Space level (European Version) - Complete "The Moon" level in mission mode.
Endless South Pole level (European version) - Complete all levels except Outer Space in mission mode.