Cloudberry Kingdom
16 Achievements
400
100-120h
Xbox 360
Clutch
Score 500k in an arcade game
20
How to unlock the Clutch achievement in Cloudberry Kingdom - Definitive Guide
You can get this one by just starting Arcade mode and playing as long as you make sure not to die too much you should get it pretty easily. I got it on my second try and had about 20 lives.
Refer to Double-Clutch.
See Double-Clutch