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