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