Here is the full list of all 14 LET IT DIE achievements.
Defeat Max Sharp
Defeat Colonel Jackson
Defeat Mr. Crowley
Defeat Taro Gunkanyama
Defeat 100 Haters
Die 100 times
Defeat all Jackals
100 successful home defenses
Capture 100 Fighters
500 equipped weapons/armor broken
Eat 1000 mushrooms
Collect everything (Magazines, Mother Barb Songs, Stamps)
Achieve 100% home destruction on other players' bases 100 times
Completed "Destroy the 4 FORCEMEN" quest.