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It sounds good, but if it's a lot of work for you, then it wouldn't be very advisable if you have a busy schedule. It's best if the story is only mentioned in a few dialogues so you don't get stressed 

A standalone would be HEAVENLY

Maybe an option for different characters too? Like the one that looks like his superstar, someone who's just plain concerned, and his superstar themselves?

I personally would ADORE standalone games for both 404 and Sir Knight, as they're both very interesting. That, and is there anywhere I can find more information on 404?