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