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