Overhead Smash, called Hammer Knuckle (ハンマーナックル/Hanmaa Nakkuru) in Japan, is an attack used by the original Jack from the first game. Its input is df+1+2. It is not possessed by Jack-5 or Jack-6.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.