These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Good Bad Bugs: Against Cinderella in Ketsui DS, if you press L and R. You can skip the first part of the boss. Althought it is not recommended to do this trick if you're going to save the replay afterward.
Ho Yay: The four male protagonists fly in teams of two. This is one of the very few CAVE games to have an all-male cast of protagonists. Hmm...