Hypnosis video games

Disclaimer: I've never tried any of these personally, they just looked interesting.

Itch.io games

Bunch of games, some free some paid:

https://nyxgaming.itch.io/

Sleepingirl's stuff:

https://sleepingirl.itch.io/

By a creator called Zuno:

https://the-amazing-zuno.itch.io/leave-your-mind-at-the-door

You could also dig around itch to find other similar games, some of them hypnotise you, while others just deal with hypnosis.