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