Dark Sun Campaign Setting, Expanded and Revised is an accessory for the 2nd edition of the Advanced Dungeons & Dragons fantasy role-playing game, published in 1995.
It's a matter of taste, though, as to whether you think there's any need for spell-like psionic powers when the game already supports such a wide variety of magical styles.
[1] He commented that there is "plenty of atmosphere in Dark Sun and, despite the seeming uniformity of the geography, a great deal of imagination has gone into detailing the various regions".
[1] He considered the adventure to be "somewhat lacklustre" as it is "short and extremely linear, leaving players with little chance to alter the outcome".
[1] Ramshaw concluded the review by saying: "All the same, if blood in the sand is the bag you're into, you'll find plenty to enjoy under the Dark Sun.