Here is the full list of all 27 Deadly Premonition 2: A Blessing in Disguise achievements.
Repair your skateboard five times.
Defeat the boss of Episode 1 at full health.
Collect 200 stamps.
Heal five status ailments.
Become a gator's lunch!
Camp outside while drunk.
Order something from Alexus' VIP menu.
Defeat the boss of Episode 4 at full health.
Defeat the giant at full health.
Complete Episode 4.
Complete Episode 3.
Collect 100 stamps.
Defeat the boss of Episode 2 at full health.
Complete Episode 2.
Get some clothes cleaned at Casa Pineapple 5 times.
Acquire the second album from Lewis.
Enhance 5 Voodoo items.
Perform a total of 100 stone skips.
Collect 50 stamps.
Defeat 10 rare colored creatures.
Collect 25 stamps.
Use Y-Vern 5 times
Knock down a thousand pins in bowling.
Complete Episode 1.
Lose sight of the strange dalmatian in Episode 3.
Collect 400 stamps.
Acquire every achievement.