Full list of all 63 Muffles' Life Sentence achievements.
The base game contains 10 achievements, and there are 5 DLC packs containing 53 achievements.
Punch a cactus.
Follow all the tracks in Episode 2.
Get the Stetson.
Take revenge on the rubber duck.
Get Madam Loveless's face.
Get Myrm's face.
Get 4 Canteens.
Get Odie's soulmask.
Discover the Jackrabbit's Hideout.
Finish Episode 2.
Open all stashes in Episode 2.
Find all memories in Episode 2.
Get the Trapper hat.
Find where the rubber duck is hiding.
Get the Shamanka's face.
Get Marcelo's face.
Open all stashes in Episode 3.
Find all memories in Episode 3.
Acquire 5 Tokens of Unseen Favor.
Get Kunie's face.
Reunite Dee with its head.
Finish Episode 3.
Get Cardor's face.
Get Twinkle's face.
Open all stashes in Episode 4.
Find all memories in Episode 4.
Help DPP solve the murder mystery.
Get Tzino's face.
Win the Mad Ox battle of the bands.
Solidify Pete and the Translator's love.
Finish Episode 4.
Odie helped Suzan feel a little better.
Open all stashes in Episode 5.
Find all memories in Episode 5.
Increase your max MP to 4.
Defeat every Nightmare fight.
Get Derek's face.
Get Scarlet's piece of Deesus.
Get Norah's piece of Deesus.
Get Botchy/Nil's piece of Deesus.
Deesus has risen.
Finish Episode 5.
Get the secret ending.
Open every stash.
Find every memory.
Discover the Maddox Cult room in Episode 1.
Discover the Maddox Cult room in Episode 2.
Discover the Maddox Cult room in Episode 3.
Discover the Maddox Cult room in Episode 4.
Discover the Maddox Cult room in Episode 5.
Choose how to use the Undoom.