Here is the full list of all 69 Barotrauma achievements.
Descend below 5000 meters.
Discover the Great Sea.
Kill something with nuclear explosives.
Discover the Aphotic Plateau
Travel over 100 kilometers
Cure a husk infection.
Kill something with morbusine.
Venture 500 meters away from the sub.
Complete a wreck salvage mission
Complete an artifact mission.
Take down a traitor before they manage to complete their objective.
Kill a clown.
Successfully complete a traitor objective.
Accelerate a submarine to over 100 km/h.
Complete a round as a Security Officer.
Complete a round as an Electrical Engineer.
Kill something with a plasma cutter, welding tool or a wrench.
Complete a round as a Medical Doctor.
Complete a round alone from start to finish.
Complete a round as a Captain.
Take the submarine down to crush depth and survive.
Travel over 10 kilometers.
Obtain a full clown costume.
Complete a round as a Mechanic.
Face a complete and utter disaster.
Discover the Europan Ridge.
Complete a cargo mission.
Complete a round without any casualties or damage to the submarine.
Complete a round as an Assistant.
Discover the Cold Caverns.
Kill a Hammerhead.
Recover from an opiate addiction.
Heal someone back from a critical state by performing CPR.
Repair a broken device.
Take down a Moloch.
Kill an Endworm.
Defeat the Separatists in a PvP submarine-vs-submarine mission.
Defeat the Coalition crew in a PvP submarine-vs-submarine mission.
Complete a round after a nuclear meltdown.
Complete a round alone after everyone else in the crew has perished.
Discover the Hydrothermal Wastes.
Kill 100 creatures.
Spend 24 hours in the submarine editor in total.
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.