I'm not affiliated with them, but I know Naughty Dog, the developers behind the Uncharted series, Jak and Daxter, Crash Bandicoot, and the upcoming The Last of Us, have long used Lisp dialects in all their games. The game engine driving Uncharted uses a port of MzScheme for the majority of their development pipeline and game logic.
They've talked about how it improves their workflow for years. You can find some of their articles and presentations if you look for references to GOAL (game-oriented assembly language) and GOOL (game-oriented object language), their in-house Lisp dialects.
They've talked about how it improves their workflow for years. You can find some of their articles and presentations if you look for references to GOAL (game-oriented assembly language) and GOOL (game-oriented object language), their in-house Lisp dialects.