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