What if I were to edit the first 2 episodes to include more red gems (like eps 3-5)? Not that I'd spam the levels full of them or anything, just put them in a few spots where it feels a bit empty. There's a chance I might do that, since I want all of the episodes to be consistent in level design.

In that case, it becomes virtually impossible to count purple gems (they also look somewhat similar to red ones). Would I be justified in changing them to green/blue in that case?