Some old video games hold onto their secrets for many years and Super Punch-Out!! is one such game. One user has discovered a secret code for the 1994 Super NES game that unlocks a previously unknown multiplayer mode.
Even more, in this free match mode, at character info screen hold B+Y then press A or START. From now the CPU opponent can be controlled from JOYPAD2 so you can fight against a real person.
— Unlisted Cheats (@new_cheats_news) August 8, 2022
Unlisted Cheats on Twitter described their process in finding the game’s secret two-player mode. By holding down Y and R (on the second controller)…
