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