Kill 10 enemies in the combo 10 times.
Unlock first Factory level.
Unlock first Seacoast level.
Unlock first Winterland level.
Read all tips in the Forest, at the Seacoast, in the Winterland and in the Factory.
Exterminate 1000 enemies.
Complete all missions in the Forest, at the Seacoast, in the Winterland and in the Factory with at least B rank.
Complete all missions in the Forest, at the Seacoast, in the Winterland and in the Factory with at least A rank.
Beat the final level in the Factory.
Complete all missions in the Forest, at the Seacoast, in the Winterland and in the Factory with S rank.
