Additional content was unlocked in the Super Famicom version by scanning barcodes with Barcode Battler II connected via a "Barcode Battler II Interface".
Buffy the Vampire Slayer | Buffy the Vampire Slayer (TV series) | dragon | Slayer | Hogan's Heroes | Heroes | John Legend | Heroes (TV series) | Dragon | Chinese dragon | The Legend of Zelda | Dragon Ball | The Life and Legend of Wyatt Earp | Gym Class Heroes | legend | Dragon Ball Z | Crouching Tiger, Hidden Dragon | Legion of Super-Heroes | Brütal Legend | Legend | Double Dragon | The Legend of Sleepy Hollow | Kung Fu: The Legend Continues | Dragon's Lair | Anchorman: The Legend of Ron Burgundy | The Girl with the Dragon Tattoo | Legend of the Five Rings | The Living Legend | The Legend of Korra | Pete's Dragon |
Within the next few years, it would also be ported to the NEC PC-9801, MSX 2, Sharp X68000, Mega Drive, Super Famicom, and TurboGrafx-16; a Dragon Slayer: The Legend of Heroes Barcode Battler card set was also released by Epoch Co. in 1992.