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