Jikkyou Pawafuru Puroyakyu '98: Kaimaku-ban is a side-series entry based on Jikkyou Pawafuru Puroyakyu 5. The roster is updated to be in line with the contemporaneous NPB season. In Success Mode, players are now able to customize the name and location of their high school. This is the first home console game in the series to feature a Home-run Derby mode.