Stay 5 minutes in shop without buying anything
Fart 10 times
Cow-boy
3Hit 10 cows
Hit 10 mines
Hit 10 ufos
Hit 10 ducks
Refill your fuel 5 times in a mission
Glider
5Fly 10 seconds without using jetpack or black hole
Crash 50 times
Looper
6Make 10 laps around a planet
Icarus
6Burn 10 seconds near sun
Upgrade your jetpack to maximum
Upgrade your bat to maximum
Travel 100000 miles
Speedy
9Reach the incredible speed of 800 m/h
Flawless
14Fly 10 minutes without failing or retrying a mission
Upgrade jetpack and bat to maximum
Stars hunter
36Collect all stars in levels 1 to 10
Buy all the outfits
BRAVO !
28Finish all missions in the first 10 solar systems