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