Here is the full list of all 32 Shelter 69 achievements.
Increase equipment rarity 250 times
Complete 1000 daily tasks
Recruit 250 workers
Ressurect 50 champions
Reach level 25 with 10 champions
Upgrade rooms 50 times
Complete Quantity Over Quality or Only The Premium Quality
Recruit 25 workers
Disassemble equipment 250 times
Unlock all 13 Pocket Waifu characters!
Build 25 rooms
Complete 1000 QTEs
Complete 50 flirts
Log in daily for 30 days
Complete 50 expeditions
Visit 25 secret locations
Survive 25 invasions
Increase equipment level 250 times
Increase equipment rarity 20 times
Unlock Chapter 5
Disassemble equipment 50 times
Clear 15 obstacles
Complete 10 flirts
Complete 50 daily tasks
Complete Give Me Regular or Got Something Better?
Log in daily for 7 days
Use skills 250 times
Complete 50 QTEs
Increase equipment level 10 times
Visit 500 secret locations
Complete 1000 expeditions
Survive 1000 invasions