I'll be doing a workshop in a few weeks, and I wanna raise awareness about predatory lootbox paytowin games. I wanna play live, an easy to start playing and understand game, that is so sneaky and predatory that some kid would very easily buy some microtransaction or lootbox without even realizing what they just did.
Basically I wanna play it like "Ohhh, look at this game, looks so fun, oh, what is this? more gems? lets see, Nooooo!!!!! I just bought a microtransaction, I won't be able to eat for a month"
Do you have some recommendation for that purpose?
People have gone over the ptw mechanics for Diablo in some depth. It's not exactly a kids game, but it has all the things. Kids are kind of a bad choice for the real predatory stuff, you might get them to give you a couple of grand once, but if you can hook an adult you get to hit them every month.
If it must be kid focused, have a look at those cutesy merge games. Or just hit a popular game and look at the ads it's running.
Thing is, most of these games are kind of bad unless those little pleasure hits really work for you, so you might not find them 'fun'. These aren't supposed to work on everyone, rather they are designed to really work on a minority of people.