Hard to say - I don't think Valve was ever big on licensing their technology. Source was used for dozens of games in the end (https://vghe.net/source-engine.htm

Hard to say - I don't think Valve was ever big on licensing their technology. Source was used for dozens of games in the end (https://vghe.net/source-engine.html https://vghe.net/source-engine.html) which isn't too bad, but Source 2 licensing isn't even offered.