Digimon Battle Spirit 1.5 |link|

While the original Battle Spirit (released in the West simply as Digimon Battle Spirit ) was a solid game, 1.5 functions as a "complete edition." It addressed the criticisms of the original Wonderswan release and added significant content that never left Japan.

Patamon's stage, featuring air vents that act like trampolines while traveling through a modern city.

Digimon Battle Spirit 1.5 has a dedicated fan base, and its impact can still be seen in modern Digimon games. The game's success led to the creation of sequels, including Digimon Battle Spirit 2 and Digimon Battle Revolution.

Gatomon’s vertical stage where Digimon fight behind falling water while dodging rolling Gotsumon.

To stop this, the original tournament's top fighters must re-enter the Coliseum—but this time, they can't fight alone. The glitch forces Tag Battles (a new mechanic for 1.5). Each fighter must pair with a former enemy or rival.