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