It absolutly doesn't have to be a game! You probably would have to put it under the games category because it's the closest match, but make sure you change the games pronoun to whatever you think matches it best. Let me know when you release the pattern generator, it looks pretty cool.
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Hi, it's been a while but I finally finished it off and released it here https://bug-victim.itch.io/plasmatron I hope you enjoy it.