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.
Researched 5 new dishes
Caught first shark.
Reached Bronze Level in Cooksta.
Caught 20 fish with melee weapons.
Enhanced 5 dishes.
Bought First Interior Item.
Fixed the Sushi Restaurant.
Completed the gun tutorial.
Made first equipment upgrade.
First time bringing Dave back from the brink of death.
Bancho Sushi formed a branch restaurant.
Watched the ending credits.
Researched 30 new dishes.
Vegetable farm expanded to maximum.
Fice field expanded to maximum.
Duwa's workshop opened.
Entered the Glacier Passage for the first time.
Got to know Momo a little better.
Took 10 photos at Photo Spots.
Gumo's seeweed farm opened.
Discovered the Glacier Passage.
Mima's restaurant opened.
Achieved Platinum rank in Cooksta.
Enhanced gun 3 times.
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.
Trained employees to level 20.
Achieved Diamond rank in Cooksta.