Here is the full list of all 23 Walhall achievements.
Like a blue hedgehog!
It gets spiky
Button 2 is more useful now
Gotta shoot fast
One after the other!
Babies make you tougher
Deceiving death itself
You're gonna love 'em
Copying enemy movements
A new challenger appears!
He also wants to hit
He lost his drill for...
Helps hitting your target
You're feeling tough
At last you can watch it
Speed up!
Your actions are under control
Take me seriously!
I'm gonna catch you!
As if it wasn't hard enough
REAL blue hedgehog!
Thank you for playing!
You're the real champion!