That's what a adventure exciting about!!!
You get extra tank, more battery for your laser cutter, calculate the time for cutting a door, figure out the structure of the wrecks for the best way out, it's like a space mission.
You'll love …
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Passive sonar are used for combat submarine, they abandoned active sonar because it's making noise, that's bad for submarine hiding.
But passive sonar can't be used for ranging, means that you will never know you are going to…
Build a shelf and make them your collection .Then build a next-gen reactor, Nuclear fusion power, use purified sea water produce hydrogen, unlimited power!!!
Nah, this is Space Robinson Crusoe, apparently. Meet Friday and fight Alien cannibal will be the end game, then eventually some ships come around to rescue you, after that, they can make a whole new game, -- 'submaritim'