Complete the first level
Hit 20 enemies in completed levels
Hit 300 enemies in completed levels
Hit 1000 enemies in completed levels
Fail any levels 100 times
Complete any levels 100 times
Complete jungle chapter
Complete desert chapter
Complete cave chapter
Complete space chapter
Complete all jungle levels with 3 stars
Complete all desert levels with 3 stars
Complete all cave levels with 3 stars
Complete all space levels with 3 stars