Here is the full list of all 34 Insanity's Blade achievements.
Hey! We thought you liked it rough!
Finish Stage 0 in Hell Mode
Wow! 100% on all your saves!
Beat the game on Casual difficulty
Pay your dues to the zombie priests
Get hugged by a crawler
Upgrade Finn's axes to max level!
Beat a walking level without crouching.
The taste of true defeat
Get all the pointy things!
Play within punching distance!
Get the Cock Puncher
You beat the game!
Reach the max level!
Collect all the questy things!
Bought the 6-way magic daggers!
Thurstan gets possessed
Tear 'em in two!
Die in the water
Go corpse surfing
Set a hostage free
Rip an arm off 'em!
Use a continue on Stage 0
Deliver a punishing ball kick!
Now you can throw daggers!
Throw 'em around!
Skip the How To Play Video
Revisit the How To Play video
You are an ARCADE MASTER!
You like to live dangerously, no saves!
Go through HELL with no saves!
Play singleplayer on the day of love
Play co-op on the day of love
Complete the Arcade adventure!