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