Is Fate/EXTELLA AI generated?
Fate/EXTELLA has no AI disclosure on its Steam page. Steam relies on developers to disclose, so this alone doesn't mean no AI was used.
Player reports
Played Fate/EXTELLA? Soon you'll be able to sign in with Steam and report what you saw in each part.
Reports from players with the game in their library will sit next to the developer's disclosure, never replace it.