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
Deceiving death itself
Babies make you tougher
Button 2 is more useful now
One after the other!
You're gonna love 'em
Copying enemy movements
A new challenger appears!
He lost his drill for...
Like a blue hedgehog!
Gotta shoot fast
You're feeling tough
He also wants to hit
It gets spiky
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!