Here's a bunch of video game canons I found for free - not complete or comprehensive, but it's a start.

Antigone Will Take The Stairs Today - https://kittyeden.itch.io/antigone

Butterfly Soup - https://brianna-lei.itch.io/butterfly-soup

Cookie Clicker - https://orteil.dashnet.org/cookieclicker/

Fallen London - https://www.fallenlondon.com/login - free to play, but quite expansive.

.flow - https://ynoproject.net/flow/

HUNTING UNICORN - https://cmg.itch.io/hunting-unicorn

Little Alchemy 2 - https://littlealchemy2.com/

Loóna - Video Game - is an app that I believe is free to download, does this count?

Murdle - https://murdle.com/

Universal Paperclips - https://www.decisionproblem.com/paperclips/

What Did Veronica Dream Of? - https://stibiumghost.itch.io/what-did-veronica-dream-of