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