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