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