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Play B.C. Kid / Bonk's Adventure / Kyukyoku!! PC Genjin Online

B.C. Kid (Europe) / Bonk's Adventure: Arcade Version (US, China, Korea) / Kyukyoku!! PC Genjin: Special Arcade Version (Japan)

Play B.C. Kid / Bonk's Adventure / Kyukyoku!! PC Genjin online. (Japan): Stack smiling faces for reach and protection, headbutt obstacles and carry a ball to the moving hoop.

Browser play

How to play

Arcade — EmulatorJS controls

Default Player 1 keyboard mapping. Change keys in Controller Settings.

Console button	Keyboard
↑ / ↓ / ← / →	↑ / ↓ / ← / →
RetroPad A / B / X / Y	Z / X / A / S
L / R	Q / E
Insert coin	V
START	Enter

Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.

How to Play B.C. Kid / Bonk's Adventure / Kyukyoku!! PC Genjin

Quick start

Move through the opening obstacles and collect a smiling face.
Test the extended headbutt range while protecting the stack.
Recover scattered faces after taking damage when it is safe.
If carrying a ball, locate the moving hoop near the stage finish.

Controls

Use the directional controls to move Bonk through the stage. Use the Jump action to clear obstacles and the Headbutt action to attack or break the route; physical button order is not inferred from generic labels.

B.C. Kid / Bonk's Adventure / Kyukyoku!! PC Genjin — About this game

B.C. Kid / Bonk's Adventure / Kyukyoku!! PC Genjin (Japan) arranges Bonk’s headbutts and obstacles into short arcade stages. Smiling faces stack above his head, extend the headbutt’s reach and provide protection, but scatter when he takes damage. Carrying a ball to the moving hoop at the end adds a scoring objective during the run. Revision-specific stage timing and placement are not inferred.

Cheats

Infinite Credits

1 "开启", 0, 0x1001A6, 0x09

Infinite Time

1 "开启", 0, 0x1061CE, 0x09, 0, 0x1061CF, 0x99

Infinite Lives PL1

1 "开启", 0, 0x105974, 0x0A

Infinite Energy PL1

1 "开启", 0, 0x105997, 0x03

Character Invincibility PL1

1 "开启", 0, 0x105993, 0x0F

There's always an acceleration PL1

1 "开启", 0, 0x10598B, 0x01

Always Maxim Firepower PL1

1 "0", 0, 0x10598A, 0x00, 0, 0x105988, 0x00, 0, 0x105989, 0x0F
2 "1", 0, 0x10598A, 0x01, 0, 0x105988, 0x00, 0, 0x105989, 0x0F
3 "2", 0, 0x10598A, 0x02, 0, 0x105988, 0x00, 0, 0x105989, 0x0F
4 "3", 0, 0x10598A, 0x03, 0, 0x105988, 0x00, 0, 0x105989, 0x0F
5 "4", 0, 0x10598A, 0x04, 0, 0x105988, 0x00, 0, 0x105989, 0x0F
6 "5", 0, 0x10598A, 0x05, 0, 0x105988, 0x00, 0, 0x105989, 0x0F
7 "6", 0, 0x10598A, 0x06, 0, 0x105988, 0x00, 0, 0x105989, 0x0F
8 "7", 0, 0x10598A, 0x07, 0, 0x105988, 0x00, 0, 0x105989, 0x0F

Always got the biggest smile face for PL1

1 "开启", 0, 0x105976, 0x0A

There's always 99 jewels PL1

1 "开启", 0, 0x105975, 0x99

Rapid Attack - Head bump PL1

1 "开启", 0, 0x10597E, 0x00

Rapid Attack - Jump PL1

1 "开启", 0, 0x10597E, 0x00

Infinite Lives PL2

1 "开启", 0, 0x1059C6, 0x0A

Infinite Energy PL2

1 "开启", 0, 0x1059E9, 0x03

Character Invincibility PL2

1 "开启", 0, 0x1059E5, 0x0F

There's always an acceleration PL2

1 "开启", 0, 0x1059DD, 0x01

Always Maxim Firepower PL2

1 "0", 0, 0x1059DC, 0x00, 0, 0x1059DA, 0x00, 0, 0x1059DB, 0x0F
2 "1", 0, 0x1059DC, 0x01, 0, 0x1059DA, 0x00, 0, 0x1059DB, 0x0F
3 "2", 0, 0x1059DC, 0x02, 0, 0x1059DA, 0x00, 0, 0x1059DB, 0x0F
4 "3", 0, 0x1059DC, 0x03, 0, 0x1059DA, 0x00, 0, 0x1059DB, 0x0F
5 "4", 0, 0x1059DC, 0x04, 0, 0x1059DA, 0x00, 0, 0x1059DB, 0x0F
6 "5", 0, 0x1059DC, 0x05, 0, 0x1059DA, 0x00, 0, 0x1059DB, 0x0F
7 "6", 0, 0x1059DC, 0x06, 0, 0x1059DA, 0x00, 0, 0x1059DB, 0x0F
8 "7", 0, 0x1059DC, 0x07, 0, 0x1059DA, 0x00, 0, 0x1059DB, 0x0F

Always got the biggest smiley face for PL2

1 "开启", 0, 0x1059C8, 0x0A

There's always 99 jewels PL2

1 "开启", 0, 0x1059C7, 0x99

Rapid Attack - head bump PL2

1 "开启", 0, 0x1059D0, 0x00

Rapid Attack - Jump PL2

1 "开启", 0, 0x1059D0, 0x00

Player verification and sources

Browser play was reviewed before this edition was published in the catalogue. The date below is the catalogue publication date, not the game’s original release date.

Browser test and catalogue publication date: October 20, 2026
Browsers and devices: PC: Chrome, Edge and Firefox. Mobile: Chrome on Android and Safari on iPhone and iPad.
Player engine and core: EmulatorJS 4.3.0-pre · arcade
Tested by: rwEmulator

Sources and editorial basis

rwEmulator reviews edition metadata, release information, game manuals and first-hand browser-play notes. Available manuals are linked below; the editorial policy explains how facts are checked and corrections are handled.

Editorial policy and sources Trust center EmulatorJS player help