Full list of all 60 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 are 2 DLC packs containing 20 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.
Catch all known species of fish in The Iron Rig.
Catch all aberrations in The Iron Rig (excluding exotics).
Deliver the missing shipment to the rig.
Override the rig's defenses.
Build all levels of all buildings on the rig.
Equip the Siphon Trawler.
Collect a total of 10 Dark Canisters.
Upgrade to the 5th tier hull.
Catch any exotic aberration.
Upgrade all 3 basic abilities.
Have 5 Dark Splashes in your inventory.
Evade that which stalks the disturbed sediment.