Option Tuning Car Battle

Research Overview

This page documents ongoing research into the Option Tuning Car Battle series from the perspective of someone new to game modification and reverse engineering.

Game Background

Option Tuning Car Battle is a series of street-racing games released exclusively in Japan for the PlayStation 1, developed and published by MTO.

The games were created in official collaboration with Option, the legendary Japanese tuning magazine. They feature real tuner cars and iconic Japanese tuning shops such as VeilSide, Mine's, RE-Amemiya, HKS, Top Secret, and many others.

Game Versions & Documentation

Select a version below to view specific research, file structures, and modification notes:

Box Art Archives

Option Tuning Car Battle 1

Option Tuning Car Battle 2

Option Tuning Car Battle: Spec-R