I've read some of James Hague's more recent posts on FP, and I got the same idea from them than @radarsat1. But more importantly, until I see someone adopting F

I've read some of James Hague's more recent posts on FP, and I got the same idea from them than @radarsat1. But more importantly, until I see someone adopting FP for the game logic in a innovative game - re-writing Pacman doesn't have the challenges of programming something while inventing it - and concluding that it is beneficial, more productive game design with FP is an unproven idea. See @eru's answer with the Tim Sweeney talk.