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