Many kids discover Rock Paper Scissors as their first game of likelihood and rules
https://rock-paper-scissors-y-n-i-u7-421.meridiannest.com/posts/the-most-significant-issue-with-rock-paper-scissors-gambling-and-how-you-can-resolve-it
Lots of kids discover Rock Paper Scissors as their very first video game of probability and rules. It teaches fairness, turn-taking, and how outcomes depend on choices.