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