Challengers is a role-playing game published by Ragnarok Enterprises in 1985.
Challengers: Unique Superhero Adventuring is a superhero role-playing system based on a simplified version of the To Challenge Tomorrow rules.
[1] There are two books: one consisting of character and combat rules; the second describing a world where superheroes exist, important governmental organizations, sample characters, and six scenario suggestions.
[1] Challengers was designed by David Nalle, and published by Ragnarok Enterprises in 1985 as a digest-sized box including a 40-page book and a 20-page book.
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