A: Yes. Use the Psycho Cannon code ( F7D4-C764 ). The final boss requires a specific weapon, and the Psycho Cannon is the only weapon that works.
“Level select: hold L and R, then press Down, Left, Up, Right, B, A, Start.” super ghouls n ghosts cheat codes snes
These are raw memory addresses often used by emulators. A: Yes
The Debug Mode is the only legitimate way to skip the dreaded "second playthrough." When you reach the final boss, you can simply use level select to jump to the credits. then press Down