From the publisher's site:
Triumph & Technology Won by Mutants & Magic
You’re no hero.
You’re a wasteland wanderer: a mutant, a seeker, a robot-killer, a stoic shaman guarding forgotten ancient sciences. You seek triumph and technology, winning it with mutations and magic, soaked in the radiation and quantum fields of the mutated, the savage, the semi-sentient, and the artificially intelligent. There are treasures to be won in the taboo lands and ruins, and you shall have them.
Return to the glory days of science fiction gaming with the Mutant Crawl Classics Role Playing Game. Adventure like it’s 1978 again, with modern rules grounded in the origins of post-apocalyptic role playing. Fast play, a mysterious future, and 100% compatibility with the DCC RPG system await you — just activate your artifact...