Jamdat Mobile – Japan Launches "Geki! Puzzle Chudoku" Through Japanese Mobile Operator Kddi

Jamdat Mobile – Japan Launches "Geki!
Puzzle Chudoku" Through Japanese Mobile Operator Kddi

Popular Puzzle Games Make Wireless Debut
in Japan

LOS ANGELES & TOKYO – (November 23, 2004) –
Global wireless entertainment publisher JAMDAT Mobile Inc. (NASDAQ: JMDT)
announced today the launch of its first titles for Japanese Mobile Phone
Operator KDDI (AU). "Geki! Puzzle Chudoku" (English translation: Freak! Puzzle
Addict) is now available through KDDI’s EZ appli (BREW(TM)) service.

"Geki! Puzzle Chudoku" is a set of three
popular puzzle titles – "Collapse," "Bounce Out" and "Bejeweled"-that became
popular in online and PC formats.

"’Geki! Puzzle Chudoku’ is the first product
release for JAMDAT Mobile – Japan," said Toshi Iwata, President of JAMDAT Mobile
– Japan. "Japan is an important market and we are pleased with our relationship
with KDDI."

"The launch of JAMDAT Mobile – Japan’s first
titles is exciting," said Mitch Lasky, Chairman and CEO of JAMDAT Mobile Inc.
"It is our strategy to publish high-quality content for consumers around the
world through our international offices."

About JAMDAT Mobile

JAMDAT is a global publisher of wireless
entertainment applications, including games, ring tones, images and other
content. JAMDAT’s application portfolio is based on original and licensed
intellectual properties and includes "JAMDAT Bowling," "Lemonade Tycoon(TM),"
"Bejeweled," "The Lord of the Rings(R)," "Tony Hawk’s(R) Underground" and "Scrabble(R)."
JAMDAT distributes its applications through wireless carriers, including AT&T
Wireless, China Mobile, Cingular, 02 (UK), Nextel, KDDI, NTT DoCoMo, Orange,
Sprint, Telefonica Moviles, T-Mobile, Verizon Wireless, Virgin Mobile, Vivo and
Vodafone.