[1] Since membership and an increasing involvement in the cult is necessary to gain magic and other abilities, religion and worship become central to the game for all characters.

"[4]: 253 In Issue 27 of The Space Gamer, American game designer Steve Jackson commented that "Gods don't have to be effective to be important.

"[1] Richard L. Snider reviewed Cults of Prax for Different Worlds magazine and stated that "I view the addition of social interaction mechanisms and a delineated cosmology to be integral to a complete fantasy campaign.

[6] In a retrospective review of Cults of Prax in Black Gate, Michael O'Brien said "Written by gaming legends Steve Perrin, co-author of the RuneQuest RPG rules, and the late Greg Stafford, creator of the fantasy setting Glorantha, Cults of Prax's ground-breaking presentation of gods and how they interact with the world through those who worship them still makes it one of the most influential and important works ever released for the RuneQuest RPG, and indeed for tabletop roleplaying games in general.

"[7] In his 2023 book Monsters, Aliens, and Holes in the Ground, RPG historian Stu Horvath called this "the first splatbook ... a sourcebook that is not required for play but expands on or develops a specific aspect of the game world ... Cults of Prax is the first book that fits, retroactively, the established definition."