Killed 10 aliens
Killed 100 aliens
Killed 1000 aliens
Finished one building
Finished 100 buildings
Finished 10 buildings
Won the game on hard
Win the game on insane
Won the game on normal
Killed the level 10 boss
Killed the level 20 boss
Killed the level 30 boss
Game Over due to lack of workers.
Build 10 rooms
Build 100 rooms
Build 1000 rooms
Have 20 or more workers
Rescued one abducted worker
Rescued 10 abducted workers
Rescued 100 abducted workers