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