Full list of all 42 Happy Dungeons achievements worth 1,250 gamerscore. It takes around 100-120 hours to unlock all of the achievements in the base game.
The base game contains 32 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 10 achievements worth 250 Gamerscore.
Reach Player Level 50.
Use a Finishing Move on a boss.
Complete 42 missions on Insane difficulty.
Complete a mission on Death difficulty with at least four people remaining.
Reach Player Level 30.
Play for 10 hours as a cleric.
Play for 10 hours as a mage.
Get a total of 30 minions.
Play for 10 hours as a warrior.
Complete a quest on Insane difficulty.
Kill 10 ogres.
Complete the quest "The Goblin Leader."
Level up a piece of equipment to its maximum level.
Level up a minion to its maximum level.
Level up a minion via "Boost Minions."
Complete the quest "Forest Barbecue."
Destroy a total of 1000 barrels, pots, and/or mushrooms.
Complete a mission with at least two people remaining.
Get a minion.
Complete the quest "A Little Friend."
Reach Player Level 10.
Complete the quest "Big Game."
Kill 100 human enemies.
Complete the quest "Dense Fog."
Get 100 pieces of equipment.
Equip an item of epic rarity or higher.
Open a card pack in Happy Cards.
Complete the quest "Search for the Princess."
Kill 100 goblins.
View the Playing Guide.
Enter Hyper Mode.
Start a game of Happy Dungeons.
100 hours played.
Resurrect allies 77 times.
Awake an item.
75 hours played.
Defeated 8192 zombies.
50 hours played.
Escape from any level in Infinite Dungeon.
25 hours played.
Complete "The Goblin Leader" in Death difficulty.
Complete "Front and Back Stage".