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