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