I hope it's not to late for some input.
I had problems with the backgrounds, too. I found one 'room' very late in the game, because I didn't expect there was a way. I think things like that would happen with well-disgned bgs.
I don't know if you want to use the same main characters, so the idea might not fight.
But I like the idea of learning the language of the atapi. I mean to start with only a few symbols/words and learn new ones with the progress of the game.
I had problems with the backgrounds, too. I found one 'room' very late in the game, because I didn't expect there was a way. I think things like that would happen with well-disgned bgs.
I don't know if you want to use the same main characters, so the idea might not fight.
But I like the idea of learning the language of the atapi. I mean to start with only a few symbols/words and learn new ones with the progress of the game.