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