Here is the full list of all 69 Barotrauma achievements.
Kill a clown.
Obtain a full clown costume.
Complete a round as a Security Officer.
Complete a wreck salvage mission
Complete a round as an Assistant.
Discover the Cold Caverns.
Take down a traitor before they manage to complete their objective.
Face a complete and utter disaster.
Kill something with a plasma cutter, welding tool or a wrench.
Kill a Hammerhead.
Complete a cargo mission.
Complete a round as an Electrical Engineer.
Repair a broken device.
Travel over 10 kilometers.
Complete a round as a Captain.
Complete a round as a Mechanic.
Recover from an opiate addiction.
Complete a round as a Medical Doctor.
Complete a round without any casualties or damage to the submarine.
Take down a Moloch.
Kill an Endworm.
Complete an artifact mission.
Defeat the Separatists in a PvP submarine-vs-submarine mission.
Defeat the Coalition crew in a PvP submarine-vs-submarine mission.
Heal someone back from a critical state by performing CPR.
Successfully complete a traitor objective.
Take the submarine down to crush depth and survive.
Complete a round after a nuclear meltdown.
Cure a husk infection.
Kill something with morbusine.
Kill something with nuclear explosives.
Complete a round alone after everyone else in the crew has perished.
Complete a round alone from start to finish.
Accelerate a submarine to over 100 km/h.
Descend below 5000 meters.
Discover the Europan Ridge.
Discover the Hydrothermal Wastes.
Discover the Aphotic Plateau
Discover the Great Sea.
Travel over 100 kilometers
Kill 100 creatures.
Spend 24 hours in the submarine editor in total.
Venture 500 meters away from the sub.
Finish the campaign
Complete an escort mission.
Kill a Charybdis
Kill a latcher
Kill a giant spineling
Kill a crawler Broodmother.
Become a perfect example of symbiotic harmony.
Learn to laugh at the Grand Joke of the Universe.
Reinforce your crew with an eminent Coalition leader.
Employ the skills of a celebrity chef to your crew.
Bolster your crew by hiring a steadfast Separatist leader.
Enlist the services of an elusive explosives-expert.
Allow an enigmatic religious leader to assist your crew.
Accept the offer of a senior humorist to join your crew.
Complete a "scan alien ruin" -mission.
Complete a "clear alien ruin" -mission.
Restore a run-down beacon station.
Complete a "rescue hostages" -mission.
Complete an "assassinate bandit leader" -mission.
Complete a "destroy bandit outpost" -mission.
Complete a "destroy monster-infested outpost" -mission.
Complete a "destroy monster nest" -mission.
Complete a mining mission.
Defeat a Coalition submarine in the campaign mode.
Defeat a Separatist submarine in the campaign mode.