This is another version of Karate Champ, designed for head-to-head gameplay in the US. Marked as "US VS version, set 2," it's likely a subsequent release or revision compared to "set 1."  This suggests that revisions or adjustments to the gameplay were made for improved balancing or technical adjustments.  Further information is required to differentiate this from the first set and provide a complete history of the release.

Karate Champ (US VS version, set 2)

Kangaroo (version)

Karate Blazers (Japan)

Karate Blazers (US)

Karate Blazers (World, set 2)

Karate Blazers (World?)

Karate Champ (US)

Karate Dou (Japan)

Karian Cross (Rev. 1.0)

Karnov (Japan)

Karnov (US, rev 5)

Karnov (US, rev 6)

Karnov's Revenge / Fighter's History Dynamite