Woah, this is crazy for a 48 hour jam! Very impressive you also made the visuals / audio yourselves as well, big kudos to the team for getting all this together.
The 'puzzles' are intuitive and simple, but still satisfying. The main mechanic of switching via the radio reminds me a lot of the mirror switching in Dishonoured 2, in a good way. Exploring the ships at the beginning and then recalling where I saw different notes and objects was a fun part of the natural discovery process in the game that felt very organic.
Great job!