it's not as high concept as controlling monsters from a playground but Looper is similarly bonkers. take it as a recommendation for what to watch next.
Thanks, but not a fan of looper. High concept sci fi time travel has to make sense. Nothing makes sense in that movie. They blatantly and with great malice aforethought violate their own hard set rules.
I think Collosal just has the simple advantage of having an easy system to comprehend that is similarly shrouded in an unexplained mystique that's used more for dramatic purposes than practical, storytelling ones.