The Yakyuuken Special: Konya wa 12-kaisen!! is a niche, adult-themed rock-paper-scissors (Janken) simulation featuring Full Motion Video (FMV). While originally released for the 3DO and Sega Saturn, the PlayStation version is widely considered an unofficial or "pirate" port. Gameplay Mechanics

: Tracking for achievements and unofficial status is often maintained on sites like RetroAchievements or the specific Sega Saturn content that was added during the porting process? The Yakyuu Ken Special: Konya wa 12-kai Ikusa – Review

: Because the game is heavily RNG-dependent, many players use emulator save states to bypass the "less than 50% win rate" programmed into the engine.