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