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