Full list of all 43 DAVE THE DIVER achievements. It takes around 15-20 hours to unlock all of the achievements in the base game on Windows.
The base game contains 15 achievements, and there is 1 DLC pack containing 28 achievements.
Caught 10 fish with a Sniper Rifle.
Bought First Interior Item.
Enhanced 5 dishes.
Discovered the under-sea village.
Picked up 100 items.
Entered the Deep Sea for the first time.
Completed the Dolphin's request.
Fixed the Sushi Restaurant.
Completed the gun tutorial.
Made first equipment upgrade.
Researched 5 new dishes
Reached Bronze Level in Cooksta.
Caught first shark.
Caught 20 fish with melee weapons.
First time bringing Dave back from the brink of death.
Captured 5 FishMon.
Trained employees to level 20.
Raised 5 GYAO!s.
Achieved Diamond rank in Cooksta.
Vegetable farm expanded to maximum.
Fice field expanded to maximum.
Fed cat 20 times.
Installed sprinklers in the garden.
Sold 200 items at workshop.
Watched the ending credits.
Bancho Sushi formed a branch restaurant.
Researched 30 new dishes.
Collected all the blueprints.
Captured all of the Sea People murals.
Achieved Platinum rank in Cooksta.
Duwa's workshop opened.
Entered the Glacier Passage for the first time.
Took 10 photos at Photo Spots.
Discovered the Glacier Passage.
Got to know Momo a little better.
Gumo's seeweed farm opened.
Mima's restaurant opened.
Enhanced gun 3 times.
Caught 300 fish.