Hold space to add new clones. The Tick limit variable decides how many frames the clone goes through. Theoretically, this can store up to 200,000 clones' data. It could store even more if modified to use more than one list, although at that point it would lag too much.
First idea in weeks, and even then, I wouldn't consider this a full idea. Run in TurboWarp for higher performance: https://turbowarp.org/710711047