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Re:OpenGOAL: Port of Jak and Daxter, written in GOAL, a cust... by marcofatica on Tuesday January 18, 2022 @07:20PM (#29988177)
I believe one of the generations of Age of Empires has it's AI written in lisp
Re:OpenGOAL: Port of Jak and Daxter, written in GOAL, a cust... by 60654 on Tuesday January 18, 2022 @07:33PM (#29988281)
Age of Empires 1 had AI scripts that were written as production rules in a very Lisp-like syntax. (You can still find some online.)

Not sure if they integrated a full Lisp or Scheme system, but since the rules were not arbitrary source code, nor doing unification, etc., they could have just hand rolled a custom reader, and written the rule engine itself in C...