Lots of kids learn Rock Paper Scissors as their very first game of probability and guidelines

https://rock-paper-scissors-j-z-k-q4-179.stonefielddigest.com/posts/why-rock-paper-scissors-is-your-next-big-obsession

Lots of kids find out Rock Paper Scissors as their first video game of probability and rules. It teaches fairness, turn-taking, and how outcomes depend upon choices.