Pachi-Slot Monogatari - PAL Kougyou Special is a SNES game likely focusing on the simulation of PAL Kougyou pachislot machines. PAL Kougyou was a manufacturer of pachinko and pachislot machines, and this game probably accurately emulates their specific machines and designs.  Gameplay would revolve around the familiar elements of pulling levers, hoping for winning combinations, and managing credits.  The "Special" part of the title may indicate that this simulation offers unique content or features not available in other pachislot games on the platform.

Pachi-Slot Monogatari - PAL Kougyou Special (Japan)

Pachi-Slot Kenkyuu (Japan)