Inter State Co. Ltd. developed several notable shoot 'em ups for the PC Engine, including Super Star Soldier and Star Parodier, which are part of Hudson Soft's Soldier series. They also developed the critically acclaimed shooter Nexzr and its tournament edition, Summer Carnival '93: Nexzr Special.
Collaborating closely with publishers, the studio established a reputation for technical excellence during the 16-bit era. Their work on the 1991 release of
Super Star Soldier helped expand the franchise's reach to North American audiences. In designing these titles, the team utilized advanced parallax scrolling and intense enemy patterns that pushed contemporary console hardware to its absolute limits.
Decades after their initial shooter releases, the developer's library was preserved through the compilation
Soldier Collection (2008) for the PlayStation Portable, introducing their classic catalog to a new generation of players. Transitioning from original shoot 'em ups to licensed properties, the company later contributed to the video game adaptation of
Disney Pixar Up (2009). This project showcased their adaptability in handling major international intellectual properties across multiple platforms, marking a significant shift from their early arcade-style origins.