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Bonks Adventure

| 1994

Release type:
Units produced: Kaneko
Controls/Input Device: Control(joy8way), Buttons(2)
Number of Players: 2
More Creator:
More Coder/Software:
License from/Copyright:
SoundMix: Mono
More Graphics/Artwork:
More Music/Sound:
Acting Talent involved:
More Machine Details:
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Game Awards Nominations:
Game Awards Won:
Title a.k.a.:
Avg. Playtime:
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MAME folder name: bonkadv

Display: raster 320x240 @ 60.00Hz (60.00 pixclock)
Sound: 1 channels

Emulated in MAME via driver kaneko16.c:
Status: good; Emulation: good
Graphic: good; Sound: good; Color: good
Palette size: 32768; Savestate: unsupported

mcu.124 with 131072kb
sha1:9dd43703265e39f876877020a0ac3875de6faa8d crc:9d4e2724
pc100101.37 with 2097152kb
sha1:607cc7745abc3ff820047e8a00060ece61646623 crc:c96e7c10
pc200102.40 with 1048576kb
sha1:1c8783442e0ccf30c5640866c5493f1dc1dd48f8 crc:c2b7a26a
pc300103.38 with 1048576kb
sha1:b33afc7d1e9f55f191e08472e8c51ca931b0389d crc:51ee162c
pc400104.51 with 1048576kb
sha1:0ad6fd5f03d275165490881173bafcb0a94762eb crc:3b176f84
pc500105.55 with 1048576kb
sha1:e0fed4307316deaeb811ec29f5022adeaf577a95 crc:bebb3edc
pc600106.42 with 524288kb
sha1:96814d97e9f9284f98c35edfe5e76677ac50dd97 crc:25877026
pc601106.99 with 1048576kb
sha1:d221ce89f19a76be497724f6c16fab82c8a52661 crc:a893651c
pc602107.100 with 1048576kb
sha1:69b620375c65246317d7105fbc414f3c36e02b2c crc:0fbb23aa
pc603108.102 with 1048576kb
sha1:9a846d604ba901eb2a59d2b6cd9c42e3b43adb6a crc:58458985
pc604109.101 with 1048576kb
sha1:e0c8192d783057798eea084aa3e87938f6e01cb7 crc:76025530
pc700107.43 with 524288kb
sha1:9900a6fe4182b720a90d64d368bd0fd08bf936a8 crc:bfe21c44
prg.7 with 524288kb
sha1:a9cea21a6a0dfd3b0952664681c057190aa27f8c crc:a1cc6a78
prg.8 with 524288kb
sha1:406f79e155d1244b84f8c89c25b37188e1b4f4a6 crc:af2e60f8
Mameinfo.dat entry:
0.37b10 [Yochizo]


- 0.147u2: hap fixed clone Omega Fighter Special. The game fails to boot or finish post. After showing bad rom errors, the game resets.

- 0.147u1: Fixed maincpu rom loading.

- 0.122u7: Fixed gfx1/2/3/4/5 rom loading.

- 0.89u3: Changed Z80 CPU2 clock speed to 5MHz.

- 0.37b10: Yochizo added 'Omega Fighter' (UPL 1989) and clone Omega Fighter Special.

- 21st November 2000: Yochizo fixed some graphics bugs in the Omega Fighter / Atomic Robo-kid driver.

- 8th November 2000: Yochizo sent in a driver for Omega Fighter and Atomic Robo-kid.

- 25th April 1999: Dumped Omega Fighter Special.

LEVELS: 8 (restarts once)

Other Emulators:

* FB Alpha


* Raine

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Romset: 2016 kb / 8 files / 457.8 zip

Credits Mameinfo and Mametesters Project Robert J. Rabgno et al.
History.dat entry:
Kyokyoku !! PC Genjin - Special Arcade Version (c) 1994 Kaneko Company, Limited.

A platform game, based on the NEC PC Engine game of the same name, consisting of 21 stages fighting dinosaurs and other creatures.


Main CPU : Motorola 68000 (@ 16 Mhz)
Sound Chips : (2x) OKI6295 (@ 12 Khz)

Players : 2
Control : 8-Way Joystick
Buttons : 2
=> [A] Head butt, [B] Jump


This game is known outside Japan as "Bonk's Adventure - Arcade Version" and in Europe as "B.C. Kid".

This game had a ticket payout mechanism meaning you could also win cheesy prizes.


* In the Korean version titlescreen, the 'KANEKO' standard logo is replaced by 'KA' with a cat (which is pronounced 'NEKO' in Japanese).


Bonk attacks enemies by "bonking" them with his large, invincible forehead. Bonk starts the game with three hearts' worth of health, which are depleted to blue as Bonk takes damage, and three extra lives. Bonk's health can be restored in increments by collecting fruits and vegetables.

Bonk can also collect pieces of meat as power-ups; these lend him special abilities and make him stronger. There are three stages of power-up: his normal self, a second stage during which he can stun enemies by pounding on the ground, and a third stage where he becomes temporarily invulnerable. Meat can be found in two varieties: big meat and small meat. The effects of meat are additive but wear off over time. A small meat gives Bonk the second stage of meat power but will eventually decay into the first stage of meat power, and then back into regular Bonk. Eating a small meat while in stage two will put Bonk into the third, invincible stage of meat power. And eating either size of meat while in the third stage of meat power-up will reset the timer on Bonk's meat power.

Bonk can occasionally collect red heart power-ups that refill an entire heart worth of health, or even more rarely, a large red heart, which restores all of Bonk's missing health. There are also two rare, blue heart power-ups in the game which will increase Bonk's maximum health by one heart.

Bonking an enemy will typically knock it backward and slightly into the air. Defeating an enemy yields points and also releases a small "smiley" power-up. Bonk's smileys are totaled at the end of each stage after defeating the boss of that stage. The player is given additional points and a caveman type congratulation based on how many smileys were collected.


1. PC Genjin [Model HC89024] (1989, PCE)
2. PC Genjin 2 [Model HC91043] (1991, PCE)
3. GB Genjin [Model DMG-GKJ] (1992, GB)
4. PC Genjin 3 [Model HC93063] (1993, PCE)
5. GB Genjin 2 [Model DMG-RJJ] (1994, GB)
6. Kyokyoku !! PC Genjin - Special Arcade Version (1994, ARC)
7. Super Genjin [Model SHVC-ZH] (1994, SFC)
8. Super Genjin 2 [Model SHVC-AZ7J-JPN] (1995, SFC)
9. PC Genjin (2002, GC)


Edit this entry: http://www.arcade-history.com/?&page=detail&id=313&o=2

Licensed from Alexis Bousiges under a CC Attribution 3.0 License
cheat.dat entry:
00000000 1001A6 00000009 FFFFFFFF Infinite Credits
00100000 1061CE 00000999 FFFFFFFF Infinite Time
60000000 000000 00000000 00000000
00000000 105974 0000000A FFFFFFFF Infinite Lives PL1
00000000 105997 00000003 FFFFFFFF Infinite Energy PL1
00000000 105993 0000000F FFFFFFFF Invincibility PL1
00000000 10598B 00000001 FFFFFFFF Always Have Speed Up PL1
00000100 10598A 00000007 FFFFFFFF Always Have Power Up PL1 Code 0x04 is bad ?
00110000 105988 0000000F FFFFFFFF Always Have Power Up PL1 (2/2)
00000000 105976 0000000A FFFFFFFF Always Have Maximum Smile Bumpers PL1
00000000 105975 00000099 FFFFFFFF Always Have 99 Diamonds PL1 Player extended when you get a diamond
00000000 10597E 00000000 00000010 Rapid Fire - Butt PL1
00000000 10597E 00000000 00000020 Rapid Fire - Jump PL1 Enables long jump easy by springboard
60000000 000000 00000000 00000000
00000000 1059C6 0000000A FFFFFFFF Infinite Lives PL2
00000000 1059E9 00000003 FFFFFFFF Infinite Energy PL2
00000000 1059E5 0000000F FFFFFFFF Invincibility PL2
00000000 1059DD 00000001 FFFFFFFF Always Have Speed Up PL2
00000100 1059DC 00000007 FFFFFFFF Always Have Power Up PL2 Code 0x04 is bad ?
00110000 1059DA 0000000F FFFFFFFF Always Have Power Up PL2 (2/2)
00000000 1059C8 0000000A FFFFFFFF Always Have Maximum Smile Bumpers PL2
00000000 1059C7 00000099 FFFFFFFF Always Have 99 Diamonds PL2 Player extended when you get a diamond
00000000 1059D0 00000000 00000010 Rapid Fire - Butt PL2
00000000 1059D0 00000000 00000020 Rapid Fire - Jump PL2 Enables long jump easy by springboard

Credit Pugsy's MAME Cheat file