"Orbiter" might be what you're looking for. It's less "game" and more "sim". There are computerized aids for most things, but you don't have to use them. You mi

"Orbiter" might be what you're looking for. It's less "game" and more "sim". There are computerized aids for most things, but you don't have to use them. You might find that rather challenging, though - even 1960s astronauts had electronic computers! Bonus - it's free. I've burned a lot of hours in Orbiter. http://orbit.medphys.ucl.ac.uk/ http://orbit.medphys.ucl.ac.uk/