Full list of all 48 DREDGE achievements. It takes around 15-20 hours to unlock all of the achievements in the base game on Windows.
The base game contains 40 achievements, and there is 1 DLC pack containing 8 achievements.
Throw it back.
Obtain all other achievements.
Find a use for the relics.
Use Mixed Bait to attract 3 different species to a single spot.
Complete all side quests. One way or another.
Solve all fish shrine puzzles.
Banish 10 threats.
Give up the Pocket Watch.
Catch all aberrations.
Use Atrophy on a fishing spot a long way away.
Catch all known species of fish.
Catch 100 crabs in crab pots.
Catch 150 fish in trawl nets.
Relinquish the Necklace.
Visit every dock in the game.
Sell a total of $1500 worth of trinkets.
Research all rods.
Research all engines.
Research all pots.
Spot a fish of each category through your Spyglass.
Research all nets.
Entrust the Ring.
Have a combined light strength of 3000 lumens.
Upgrade to the 4th tier hull.
Discard 25 fish.
Have a combined engine speed of 75kn.
Upgrade to the 3rd tier hull.
Have a combined fishing speed of 200%.
Hear a Foghorn echo.
Traverse a long distance using Manifest.
Catch 250 fish using rods.
Surrender the Music Box.
Keep your Haste burn meter above 50% for 10 seconds.
Upgrade to the 2nd tier hull.
Install equipment into every slot on your ship.
Deplete a total of 25 fishing spots.
Sell a total of $2500 worth of fish.
Deliver the Key.
Have a full cargo.
Complete the introduction quest.
Finish all side quests in The Pale Reach.
Catch all aberrations in The Pale Reach.
Catch all known species of fish in The Pale Reach.
Catch the Colossal Squid.
Finish the main quest in The Pale Reach.
Have 5 ice blocks in your cargo.
Equip the Icebreaker.
Feed the Narwhal.