Here is the full list of all 33 Bloodroots achievements.
Get a score greater than 1,000,000
Kill every enemy in a level with a different weapon
Die 100 times in a level
Die 50 times in a single room
Finish any level in Act 2 in under 3.5 minutes
Finish any level in one continuous Combo
Find all hidden wolves
Complete Game
Unlock all hats
Unlock the Crow Hat
Complete Act 3
Unlock the Frog Hat
Kill 100 enemies with a carrot
Unlock the Rabbit Hat
Unlock the Bison Hat
Complete Act 2
Unlock the Dog Hat
Set 500 enemies on fire
Unlock the Deer Hat
Don't use any weapons for a whole level
Get Perfect Timing on half the kills of a level
Unlock the Boar Hat
Complete Act 1
Kill 100 enemies with a fish
Kill 100 enemies with an Hatchet
Kill 50 enemies with an Hatchet
Unlock the Fish Hat
Kill 25 enemies with an Hatchet
Unlock the Bear Hat
Die at the hands of the last enemy in an area
Get a perfect score for Mobility in any level
Search for the last enemy of an area
Find your first wolf