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