Here is the full list of all 44 Doom & Destiny achievements.
Buy the boat
Reach Chapter 7
Learn the Ultimate Secret Technique
Defeat Richard
Reach Chapter 6
Defeat Richard's Army
Reach Chapter 5
Find 10 Secrets
Meet Dr. Insano
Learn 90 Powers
Reach Chapter 4
Learn 45 Powers
Get 4 Gold Sidequest Stars
Reach Chapetr 3
Get 4 Silver Sidequest Stars
Get 4 Bronze Sidequest Stars
Learn 10 Powers
Reach Chapter 2.
Find the chest full of nothing.
Thanks for playing the game
Beat Doom
Find 20 Secrets
Find All Secrets
Get 8 Bronze Sidequest Stars
Get All (13) Bronze Sidequest Stars
Get 8 Silver Sidequest Stars
Get All (13) Silver Sidequest Stars
Get 8 Gold Sidequest Stars
Get All (13) Gold Sidequest Stars
Bring back home 3 Dwarfs
Bring back home all Dwarfs
Buy the ship
Buy the air baloon
Meet Dr. Insano 3 times
Defeat Robot Judas
Defeat Dr. Insano in his castle
Defeat a real Guardian of Power
Defeat the twin Deaemon
Upgrade the Blue Ring
Upgrade the Yellow Ring
Upgrade the Red Ring
Upgrade the Green Ring
Defeat the Flying Spaghetti Monster
Learn 180 Powers