"Mystery Case Files: Agent X" to Mobile Phones

San Mateo, Calif.– October 16, 2007– Glu Mobile Inc. (Nasdaq: GLUU), a leading global publisher of mobile games, today announced an agreement with Big Fish Games™, Inc., a leading developer, publisher and distributor of casual, family-friendly games, to publish“Mystery Case Files®: Agent X™,” an entirely new game in the Mystery Case Files franchise, exclusively for mobile phones. Mystery Case Files is the most popular franchise in casual gaming and is responsible for popularizing the hidden-object genre within the casual games market. This agreement marks the first of its kind to bring a hidden-object game to the mobile platform.

“The mobile platform has been a proving ground for each generation of casual games, and we’re excited to partner with Big Fish Games on their most valuable franchise,” said Jill Braff, senior vice president of global publishing, Glu.“Bringing an exclusive, entirely new and original episode of Mystery Case Files to mobile phones represents a significant step in the convergence of the mobile and casual games industries.”

Mystery Case Files has established itself as a powerful brand and franchise from Big Fish Games, garnering more than 1.2 million units sold. Big Fish Games is credited for creating the genre of hidden-object games, which is now the most popular category in the downloadable casual games business.

“Our studio created an entirely new episodic MCF game designed specifically for mobile phones– connected devices,” said Paul Handelman, vice president of business development for Big Fish Games.“Glu’s passion and stellar reputation for deploying quality games to a broad audience is well established. They are the best partner to bring the Agent X to an eager group of Mystery Case Files players, both existing and new. Now, anyone can be a pocket detective!”

Mystery Case Files: Agent X is slated to launch in early 2008 on all major carriers in North America.

About Big Fish Games

Big Fish Games is a global leader and innovator in the casual games industry, producing and delivering the world’s best games and game experiences. Big Fish Games’ Studios develops and publishes the industry’s leading brands. Its portfolio of hit games includes Mystery Case Files®, Hidden Expedition™ and Azada™. Big Fish Games’ portal at www.bigfishgames.com distributes more games worldwide than any other online site and offers visitors a rapidly expanding selection of content by launching A New Game Every Day!TM

About Glu Mobile

Glu (NASDAQ: GLUU) is a leading global publisher of mobile games. Its portfolio of top-rated games includes original titles Super K.O. Boxing!, Stranded and Brain Genius, and titles based on major brands from partners including Atari, Activision, Konami, Harrah's, Hasbro, Warner Bros., Microsoft, PlayFirst, PopCap Games, SEGA and Sony. Founded in 2001, Glu is based San Mateo, California and has offices in London, France, Germany, Spain, Italy, Hong Kong, Beijing and Sao Paulo. Consumers can find high-quality, fresh entertainment created exclusively for their mobile phones wherever they see the 'g' character logo or at www.glu.com.

Cautions Regarding Forward-Looking Statements

This news release contains forward-looking statements, including statements related to the anticipated launch schedule of the Mystery Case Files mobile game. These forward-looking statements are subject to material risks and uncertainties that could cause actual results to differ materially from those in the forward-looking statements. Investors should consider important risk factors, which include the risks detailed under the caption“Risk Factors” in Glu’s most recent report on Form 10-Q filed with the Securities and Exchange Commission under Rule 424(b)(4). Glu is under no obligation, and expressly disclaims any obligation, to update or alter its forward-looking statements whether as a result of new information, future events or otherwise.

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Big Fish Games, Mystery Case Files, Mystery Case Files: Agent X, Hidden Expedition, Azada, A New Game Everyday! are trademarks of Big Fish Games.

GLU MOBILE, GLU, SUPER K.O. BOXING!, STRANDED, BRAIN GENIUS and the 'g' character logo are trademarks of Glu Mobile.

sibylle firmin-denis

regional account manager, Asia-Pacific

glu mobile

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