Here is the full list of all 23 Walhall achievements.
He also wants to hit
As if it wasn't hard enough
Like a blue hedgehog!
Button 2 is more useful now
Deceiving death itself
Babies make you tougher
One after the other!
You're gonna love 'em
Gotta shoot fast
Copying enemy movements
A new challenger appears!
It gets spiky
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!
REAL blue hedgehog!
Thank you for playing!
You're the real champion!