Obtain all other trophies.
Finish the briefing.
Take a picture in the truck.
Do a favor for a tired soldier.
Meet your superiors.
Help to repair a defective torpedo.
Relax in the pool.
Survive the sea baptism.
Prepare a gift for Dmitri.
Use the Telnet.
Help Robert with the engine.
Gather information about the Shkval torpedoes.
Prove your expertise.
Open the captain's safe.
Gain the lowest Trust among the crew.
Gain the highest Trust among the crew.
Gather all available letters and notes.
Gather all Matryoshkas.
Gather all pennants.
Gather all collectibles.
Achieve the top score in the PDA minigame.
Achieve the top score in Shmup.
Achieve the top score in Periscope.
Achieve the top score in Flashout.
Achieve the top score in Tunnel.
Play the board game once.
Visit all available rooms.
Leave bullets in the cartridge.
Discover the first ending.
Discover the second ending.
Discover the third ending.
Discover the fourth ending.
Hack 3 computers aboard the ship.
Beat all records on the bike.
Finish the game.
Finish all endings.
Watch all credits.