King of Colosseum: NOAH x Zero-One (2003) was a follow-up to the original, expanding the crossover concept by featuring rosters from Pro Wrestling NOAH and Zero-One. Released for PS2, it offered authentic depictions of top stars like Misawa, Kobashi, and Hashimoto. Presentation leaned heavily on realism, with lifelike animations and detailed entrances.

Gameplay used the same timing-based grappling engine as the first game, rewarding realistic pacing and escalation. The crossover appeal allowed dream matches between promotions, something highly valued by fans. King of Colosseum NOAH x Zero-One is remembered as a beloved entry for puroresu enthusiasts, blending depth with authenticity.