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