|Industry||Video game industry|
|Founded||June 14, 2006  (original G-Mode founded in June 2000)|
|Keiji Araki (representative director)|
Number of employees
G-mode Co., Ltd (株式会社ジー・モード Kabushikigaisha Jī MōdoInstalling Japanese character sets) is a Japanese company that provides mobile network game contents that specialize in Java game software in Japan. It develops and distributes games for Java-compatible mobile phones.  The company also licenses contents for mobile telecommunications operators, as well as involves in the original equipment manufacturing of mobile phone games.
G-Mode was founded in July 2000 and merged in March 2014 with ONE-UP Co., Ltd. (a corporation established in 2006) who then renamed itself G-Mode and dissolved the original company.  G-mode Co. is headquartered in Tokyo.
G-mode saw a potential in mobile gaming and managed to obtain the rights to Tetris in Japan in 2001, and currently use this license to remain a major player in the mobile entertainment industry in Japan. In 2004, G-mode acquired the back catalogue of Data East Corporation. In 2005, GungHo Online Entertainment invested in the company. They currently license out these Data East titles on the Wii Virtual Console, Gametap, and Mobile Platform. G-mode released an official Data East website in December 2007. In 2010 is revealed that the company will publish several Data East titles on the Zeebo console in Brazil and Mexico. On March 1, 2012, after several years of Wii Virtual Console support, G-Mode delisted all of its games from the service.
G-mode Co. Ltd. reported earnings results for the fiscal year 2006. For the fiscal year, the company reported consolidated net profit of $440,700 a $1.7 million consolidated recurring profit and a $31.1 million consolidated revenue. The number of subscribers to official websites for NTT DoCoMo handsets rose to 1.48 million at the end of October 2006, up 34% from the end of March 2006, which mainly contributed to the upward revision. The company revised its earnings guidance for the fiscal year 2007. For the period, the company revises consolidated net profit to $594,000 from a previous forecast of a $169,500 consolidated net loss. Consolidated recurring profit was revised up to $2.8 million from $1.7 million. The consolidated sales revenue was revised up as well to $41.1 million from $39.8 million.
Acquired Data East license list
Note: This list only include video games mentioned on G-Mode's website in 2009 and does not necessarily represent the entire Data East library that was acquired by the company in 2004. 
- Act-Fancer: Cybernetick Hyper Weapon
- Bad Dudes vs. DragonNinja
- Bloody Wolf / Battle Rangers
- Boogie Wings / The Great Rag Time Show
- Burger Time Deluxe
- Bump 'n' Jump / Burnin' Rubber
- Caveman Games / Caveman Ugh-Lympics
- China Town
- Cobra Command / Thunder Storm (1984 laserdisc game)
- Cobra Command (1988 side-scroller)
- Congo's Caper
- Darwin 4078
- Desert Assault / Desert Storm Gulf War / Thunder Zone
- Street Hoop / Dunk Dream / Street Slam
- Dunk Dream 95 / Hoops 96
- Express Raider / Western Express
- Fighter's History
- Fighter's History Dynamite / Karnov's Revenge
- Fire Trap
- Gate of Doom / Dark Seal
- Heavy Barrel
- Joe & Mac: Caveman Ninja
- Joe & Mac 2: Lost in the Tropics / Joe & Mac 3: Lost in the Tropics
- Joe & Mac Returns
- Kamikaze Cabbie
- Karate Champ
- Karate Champ: Player VS. Player
- Last Mission
- Lock 'n' Chase
- Locked 'N Loaded
- Mad Alien / Mad Rider / Highway Chase
- Magical Drop
- Magical Drop II
- Magical Drop III / Magical Drop Pocket
- Magical Drop F
- Metal Clash
- Midnight Resistance
- Mutant Fighters / Death Brade
- Mysterious Stone
- Nitro Ball
- Peter Pepper's Ice Cream Factory
- Psycho-Nics Oscar
- Road Blaster / Road Avenger / Turbo Blaster
- Shoot Out
- Side Pocket
- Side Pocket 2 / Minnesota Fats: Pool Legend
- Side Pocket 3
- Sly Spy / Sly Spy: Secret Agent / Secret Agent
- Spinmaster / Miracle Adventure
- SRD: Super Real Darwin
- Super Birdie Rush
- Super BurgerTime
- Tattoo Assassins
- Trio The Punch – Never Forget Me...
- Two Crude / Crude Buster (Two Crude Dudes (MD / GEN port))
- Wizard Fire / Dark Seal II
- Wonder Planet
- "Marvelous Acquires Joe & Mac and Data East Library Through G-Mode Acquisition". Siliconera.
- "G-mode Co., Ltd.: Private Company Information - Businessweek". Investing.businessweek.com. Retrieved 2013-09-09.
- Smith, David. "G-Mode Buys Up Data East Catalog", 1UP.com. February 2004. 
- "Company History｜ GungHo Online Entertainment, Inc". Gungho.co.jp. Archived from the original on 2013-09-29. Retrieved 2013-09-09.
- "dataeastgames.com". dataeastgames.com. Archived from the original on 2014-12-16. Retrieved 2013-09-09.
- "Zeebo terá "Peggle", "Plants vs Zombies" e mais - 09/03/2010 - Últimas Notícias - UOL Jogos". Jogos.uol.com.br. 2011-01-17. Retrieved 2013-09-09.
- "dataeastgames.com". dataeastgames.com. Retrieved 2013-09-09.
- Official website (in Japanese)