Could we add a category for the classic-style flash games (1,2,3,4, not 5)? Different from the flash run, just the training and racing flash games.

is this a good idea?

This was a recently debated topic in the discord community, but after a vote, the decision was made to make the all flash category include Treasure Hunt. I do, however, agree with you that 1-4 would be a better category :)