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
Deceiving death itself
Babies make you tougher
One after the other!
You're gonna love 'em
Copying enemy movements
A new challenger appears!
Button 2 is more useful now
He lost his drill for...
Like a blue hedgehog!
Gotta shoot fast
Take me seriously!
I'm gonna catch you!
He also wants to hit
You're feeling tough
Helps hitting your target
Your actions are under control
At last you can watch it
Speed up!
It gets spiky