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