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