The History of Bonk's Adventure

A mascot who started in a magazine, for a console that needed one.

Bonk did not begin as a game character. He began as PC Genjin, a comic character created by Kobuta Aoki for the pages of Gekkan PC Engine, a magazine promoting Hudson and NEC's console in Japan. Readers liked the big headed caveman, and many assumed a game must already exist. Hudson obliged. Bonk's Adventure was released for the PC Engine in Japan on December 15, 1989 and for the TurboGrafx-16 in North America in April 1990, designed by Red Company, which created the characters, with most development by Atlus and backgrounds by A.I, under Hudson's supervision. Tsukasa Masuko composed the score.

The pitch is a single verb. Bonk attacks with his forehead: standing headbutts, jumping headbutts, diving headbutts, bouncing off enemies in chains. Meat powers him up in stages, from stunning ground pounds to brief invincibility. The quest, rescuing Princess Za from King Drool, is scaffolding. The head is the game.

THE MASCOT JOB

First of the 16 bit mascots

The timing

Bonk became the TurboGrafx-16's mascot in 1989 and 1990, before Sonic the Hedgehog existed and before the Super Famicom launched. For a brief window, the 16 bit mascot race had exactly one serious entrant with a head for a weapon.

The numbers

The game sold 350,000 copies, a figure sourced to a 1992 Los Angeles Business Journal report on NEC's American push. On a console with NEC's modest American installed base, that attach made Bonk the system's defining exclusive.

The verdicts

Electronic Gaming Monthly's four reviewers scored it 7, 8, 7, and 8 out of 10. Entertainment Weekly named it the number 3 greatest game available in 1991, and EGM's editors later placed the TurboGrafx-16 version at number 85 on their 100 best games of all time, citing the imaginative levels and the hilarious hero.

THE SERIES AND THE LONG TAIL

Sequels, ports, and a cancelled return

Two more Bonk platformers stayed home on the PC Engine and TurboGrafx-16, Bonk's Revenge in 1991 and Bonk 3: Bonk's Big Adventure in 1993, the last in both HuCard and Super CD versions. The first game wandered widely for a console mascot: NES, Game Boy, Amiga, and even an arcade version with a female second player Bonk, each port renaming him to fit its machine, a naming system documented on this shelf's question page. Super Bonk took him to the Super NES in 1994. A 3D remake anchored Hudson Selection Vol. 3 in Japan in 2003.

The afterlife has a melancholy footnote. Hudson was developing Bonk: Brink of Extinction for WiiWare and PlayStation Network when the company was closed inside Konami. The game was cancelled, by a 2025 account from a developer who worked on it, when it was mostly finished. Bonk's original adventures remain available and beloved, the TurboGrafx-16 version was among the most purchased games on the Wii Virtual Console by informal surveys, but the mascot himself has been waiting for a new game ever since his company disappeared.

Why is Bonk called PC Genjin in Japan?

The History of Bonk's Adventure

THE MASCOT JOB

THE SERIES AND THE LONG TAIL

THE FIRST WORD