The ISO is known to be functional on standard PS1 emulators.
For every round you win, the opponent removes a piece of clothing. Winning all rounds leads to a full strip sequence. yakyuken special psx iso top
The Yakyuken Special is a party video game released for the Sony PlayStation in approximately 1995/1996. The game is based on the "Yakyuken" tradition—a Japanese party game similar to Rock-Paper-Scissors, where the loser must remove an article of clothing. The ISO is known to be functional on standard PS1 emulators