Dual Heroes Consumer reviews. http://www.epinions.com/game-Titles-Consoles-N64-All-Dual_Heroes

n64seeker.com: Dual Heroes Profile, reviews, screens and discussion board. http://www.n64seeker.com/title/dualheroes.html

Primal Rage FAQ v2.8 Includes character descriptions, arcade version joystick configuration combos, and moves list. http://db.gamefaqs.com/coinop/arcade/file/primal_rage.txt