Since this is an "Open Bor" engine game, the unlocking method usually involves progressing through or inputting a specific cheat code.
Instant unlock / All characters from start final fight lns ultimate unlock all characters work
: The same method used in Arcade Mode (breaking barrels and hitting signs) works for the initial secret set. For another hidden fighter, select Moria and, at the start of the Cadillacs and Dinosaurs stage, double jump and attack backward without moving forward first. Since this is an "Open Bor" engine game,
“You’re bleeding,” Jen said quietly. select Moria and