ABSTRACT
Not all procedural generation (PCG) games need artificial intelligence (AI). This chapter focuses on player experiences of AI and designer intentions of AI, common requirements for AI in games with PCG, and new and innovative AI development methods that offer potential for the subfield's future. AI often contains elements of unpredictability, as governed by some form of random number generation system that is hidden from the player. Emergent phenomena refers to situations where sets of simple behaviors lead to often unanticipated complex behaviors. One of the most interesting aspects of AI in PCG games is generation of speech and conversations appropriate to a procedural world. Generated dialects consist of several components. First, the game selects a group of consonants, vowels, and syllables, from which all invented words for that dialect will be constructed. Second, dialects include generated references. The third element of generated dialect is the generation of greetings, etc. The final element of generated dialect is sentence complexity.
