There is an extra quotation mark in the About Lexie section - message"."
wrong gender pronoun in first paragraph after quote in the About Lexie section - "all of which appear to him as kind of murky brown."
in the "Color only in games barrier" works well, perhaps instead of "Enemies are also marked with a symbol/use a red triangle so I can easily identify them.” it should be “Enemies are also marked with a symbol or use a red triangle so I can easily identify them.” so that it sounds more natural