Mobile Joy

Mobile Joy or MobileJOY (モバイルジョイ) is a bonus option in various Koei titles made exclusive for Japanese cell phone services. By registering a Koei product with a respective cell phone service, players can unlock bonus items or features for their purchased game. Character wallpapers, voiced lines, or select songs can be made available for the user's cellphone.

In order to perform a Mobile Joy transfer, the requiring steps must be taken:
 * 1) Purchase one of the games listed below.
 * 2) Look for the password code and connect to Koei's cellphone network.
 * 3) Input the password with the corresponding game.
 * 4) When the cell phone successfully connects, another password will be shown on the cell phone.
 * 5) Have the game on and find the Mobile Joy option. Input the password into the game's Mobile Joy screen.

If all steps are done correctly, the link will be established. Some of the Mobile Joy's features are free, but others require a form of payment to be made available. These items can become purchased through Koei's point system available to registered online members or fanclub members.

Recently, cellphone and in-game bonuses can be obtained by registering with one of Koei's cellphone games for a limited time. These often tie-ins include Mobile Joy-like features and are included in the list below.

Games with cellphone bonuses

 * Dynasty Warriors 5
 * Dynasty Warriors 5: Xtreme Legends
 * Dynasty Warriors 5: Empires
 * Dynasty Warriors 6
 * Dynasty Warriors 6: Empires
 * Dynasty Warriors: Strikeforce Special
 * Dynasty Warriors: Strikeforce 2
 * Dynasty Warriors 7 - with Hyakku-mon nin no Shin Sangokushi Musou
 * Samurai Warriors 2: Xtreme Legends
 * Samurai Warriors 3
 * Samurai Warriors 3 Z - with Hyakku-mon nin no Nobunaga no Yabou
 * Samurai Warriors 3: Empires - with Hyakku-mon nin no Sengoku Musou
 * Warriors Orochi 2
 * Fist of the North Star: Ken's Rage
 * Bladestorm: The Hundred Years' War
 * Romance of the Three Kingdoms XI (with Power Kit)
 * Nobunaga's Ambition: Iron Triangle (with Power Kit)
 * Nobunaga no Yabou: Tendou
 * Nobunaga no Yabou: Tendou with Power Up Kit - with Hyakku-mon nin no Nobunaga no Yabou
 * Nobunaga no Yabou Online - with Hyakku-mon nin no Nobunaga no Yabou and Nobunyaga no Yabou
 * Nobunaga no Yabou DS
 * Nobunaga no Yabou DS 2
 * Daikoukai Jidai Online - with Nobunyaga no Yabou
 * Neo Angelique
 * Neo Angelique Full Voiced
 * Neo Angelique Special
 * Harukanaru Toki no Naka de Maihitoyo
 * Harukanaru Toki no Naka de Yume no Ukihashi
 * Harukanaru Toki no Naka de Yume no Ukihashi Special
 * Harukanaru Toki no Naka de 3 with Izayoki Aizouban
 * Harukanaru Toki no Naka de 3 Unmei no Labyrinth Aizouban
 * Harukanaru Toki no Naka de 4
 * Harukanaru Toki no Naka de 4 Aizouban
 * Harukanaru Toki no Naka de 5
 * Kiniro no Corda 2
 * Kiniro no Corda 2 f
 * Kiniro no Corda 2 f 
 * Kiniro no Corda 2 Encore
 * Kiniro no Corda 3
 * Winning Post 7
 * Winning Post Maximum 2007
 * Winning Post World
 * G1 Jockey 4

Mobile cell phone services
Aside from making cell phone versions of their various historical simulations, Koei-Tecmo offers the following services for Japan.


 * Koei Merokore
 * Allows images and music to be downloaded into cell phone. Includes several Koei classics such as the Nobunaga's Ambition, Romance of the Three Kingdoms, Genghis Khan, Winning Post and others.


 * Koei Selection
 * Revised version of Koei Merokore with different images and music. Created with Flash.


 * Mobile Musou
 * Lets users download images and music from various Warriors titles.


 * Neo-Romance Fortune
 * Tells daily fortunes with 76 different Neoromance characters. Includes Tarot card readings,


 * Neo-Romance Avenue
 * Allows character voice clips, images, and wallpapers to be made available on a cell phone.


 * Show Retro Game Shonen * Jidai
 * Features various mini-games as Flash applications.

Collaboration tie-ins with third party media
Various products from Koei-Tecmo include registration codes with a related product. These registration codes can be inputted online through home computer or mobile phones to unlock various bonuses for a game. Usually, these codes can be inputted with a Mobile Joy like method. These bonuses are exclusive to Japan.


 * Nobunaga no Yabou Tendou, Nobunaga no Yabou Tendou with Power Up Kit
 * Various collaboration DLC.
 * Special scenario for the live action film, Nobou no Shiro


 * Sangokushi Online, Dynasty Warriors Online
 * Serial codes with Red Cliff Part One DVD purchase
 * Sangokushi - unlocks bonus wall screen and a cloak modeled after Zhuge Liang's bird.
 * Dynasty Warriors - allows players to gain equipment found in the movie.


 * Sangokushi Online, Dynasty Warriors 6: Empires
 * Serial codes with Souten no Kouro DVD purchase
 * Online - unlocks bonus content related to anime, such as Cao Cao's punishment club, his trademark line, a wall screen, and the Cao Cao demon figurine.
 * Empires - allows players to edit their characters to look like Cao Cao and Liu Bei.


 * Dynasty Warriors 6: Special
 * Tie-in with alan for Red Cliff Part One image song
 * Special remix of the song featured for the game's commercial.


 * Dynasty Warriors 7
 * Serial code with early purchase at Lawson chain
 * Serial code with Sangokushi DVD box set
 * Lawson - unlocks exclusive weapon and outfit for Wang Yuanji.
 * Sangokushi - grants a present for buyers.


 * Dynasty Warriors: Strikeforce
 * Serial codes with various video game magazine publications
 * Enables ability to play special scenarios and collect items dedicated to each magazine.


 * Dynasty Warriors: Strikeforce 2
 * Serial codes with Shigekix purchase
 * Unlocks exclusive items for characters to use.


 * Samurai Warriors 3
 * Special tie-in with the live action film, Nobou no Shiro
 * So far limited to simultaneous advertising for both IPs.


 * Fist of the North Star: Ken's Rage
 * Collaboration with Comic Bunch and Weekly Famitsu


 * Ishin no Arashi: Shippuu Ryomaden
 * Serial code with the live action film Sakuradamongai no Hen.
 * Special present for registering with game and ticket.


 * TRINITY: Souls of Zill O'll
 * Serial code with Dream's single, Hands Up!
 * Obtain rare items by registering code into game.


 * Kin'iro no Corda 3
 * Tie-in with Yamaha's Silent Violins. Used by one of the game's characters, Chiaki Tohgane.