No missable achievements (plus 21 unknown)
Sign in with Steam or Xbox to track your progress, and:
Earn your first penny!
Hit an Eyebat!
Kill 10 or more enemies with 1 Woah Block!
Collect one hundred pennies!
Kill a UFO!
Destroy a Woah Block with another Woah Block!
Collect two hundred pennies!
Defeat the mothership in Peoria!
Collect three hundred pennies!
Collect four hundred pennies!
Defeat the mothership in Fort Bragg!
Defeat the mothership in West Haven!
Collect five hundred pennies!
Collect one thousand pennies!