The linked game Cartomancy Anthology is marked as a bundle.
Bundles are (generally) not ingested to Twitch from IGDB
So the game(s) in the bundle should/will exist instead Thanks, Come Again - Twitch
To get a bundle to exist on Twitch will require a uservoice: https://twitch.uservoice.com/forums/310210-discover?category_id=367945