There’s lot of good rom hacks to try (especially for Pomemon!) :) you might enjoy this one; it’s Pokemon Red, except all Pokemon are replaced by DBZ characters with all the ludicrousness that comes with that! Pokemon DBZ Team Training - https://www.pokemoncoders.com/dragon-ball-z-team-training/
There is a mode for Plague Inc where the tables are turned and you try to stop a pandemic, last I played!