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 20 fish with melee weapons.
Caught 10 fish with a Sniper Rifle.
Discovered the under-sea village.
Enhanced 5 dishes.
Entered the Deep Sea for the first time.
Picked up 100 items.
Completed the Dolphin's request.
Researched 5 new dishes
First time bringing Dave back from the brink of death.
Reached Bronze Level in Cooksta.
Caught first shark.
Bought First Interior Item.
Fixed the Sushi Restaurant.
Made first equipment upgrade.
Completed the gun tutorial.
Bancho Sushi formed a branch restaurant.
Researched 30 new dishes.
Watched the ending credits.
Fice field expanded to maximum.
Achieved Platinum rank in Cooksta.
Entered the Glacier Passage for the first time.
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.
Got to know Momo a little better.
Caught 300 fish.
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.
Vegetable farm expanded to maximum.
Trained employees to level 20.
Achieved Diamond rank in Cooksta.