You guys remember RCT 3? it let you create your own families, then when they get on a ride just place scenery blocking the track... you could kill anyone you wanted.
Vegeta? What does your mother say about my power level?
Yeah! ...oh wait no, the guests were made out of some kind of rubber, and just bounced around everywhere it wasn't quite as brutal as RCT1/2 where the guests died in a violent explosion.