Air Zonk

Air Zonk
Also known as: PC Denjin: Punkic Cyborgs (JP) Developers: Hudson Soft, Red Company Publishers: Turbo Technologies (US), Hudson Soft (JP) Platform: TurboGrafx-16 Released in JP: November 20, 1990 Released in US: 1992 This game has a hidden sound test. This game has regional differences.

What's Bonk doing in a shooter? Oh...Bonk...Zonk...Haw haw haw.

Sound Test

Hold I + II + Select when turning on the system for the Sound Test.

(Source: GameFAQs)

Regional Differences

To do: There's more out from the Japanese version of the game such as the game's exclusive karaoke from opening and it's game over screen; a cutscene within the opening. There's also a level screen where it was originally a giant mechanical feces (really) instead of some kind of machine in the USA version.

Japan	USA

To do: Possibly video of the two mentioned animations (60FPS would be appreciated)?

The title screen animations in both versions are different. In the Japanese version, the PC Denjin title gets smashed by PC Denjin himself, while in the American version Bonk is standing on a building, puts on shades and becomes Air Zonk.

(Source: Hardcore Gaming 101)

Japan	USA

The Japanese release uses a cartoon piece of poop with sunglasses as the bomb sprite. It was changed to a bomb with sunglasses in the US version.

Japan	USA

In the Japanese version of the game, the cow helper's combination move has PC Denjin wearing lipstick and shooting milk from milk bottles that look like nipples. The lipstick was removed and the bottles changed in the US version, which now shoot themselves instead of shooting milk.

(Source: Hardcore Gaming 101)