R-Type Delta is a side-scrolling shoot 'em up game for the Sony PlayStation 1, released in 1999. As the fourth installment of the R-Type series, it introduces 3D graphics while maintaining the classic 2D gameplay. Players pilot high-tech fighter spaceships equipped with force pods, battling against the relentless alien horde known as the Bydo Empire. Offering multiple ships with unique weapons and a tactical Force system, the game challenges players with intricate patterns of enemies and formidable bosses. R-Type Delta is renowned for its difficulty, detailed design, and strategic depth.