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