At the beginning the user will have the option of difficulty by choosing how fast the oxygen levels decrease. The user will also be able to ask the spaceship AI what the levels are at throughout the game.
If there is a skip in time then the oxygen levels also need to skip.
So that you can not spam ask the oxygen level this feature can also be made to only be accessed in specific places such as a room or near a machine part.
At the beginning the user will have the option of difficulty by choosing how fast the oxygen levels decrease. The user will also be able to ask the spaceship AI what the levels are at throughout the game. If there is a skip in time then the oxygen levels also need to skip.