Trevor Hawthorn, founder and managing principal at Stratum Security, has warned that a free iTunes location-based game called Underworld: SweetDeal could expose players to physical as well as digital security risks.

Glu Mobile, a global publisher of mobile games, has announced the availability of its 1000: Find 'Em All! location-based game.

Noticings, a geotagging app, turns photos into a game. Judging by some of the submissions on the Noticings website it also generates some amusing and creative photography.

Gowalla has launched a location-based game with prizes to coincide with the holiday shopping season.

DarkOrbit, a location-based game for GPS mobile phones, challenges you to find geocached virtual artefacts in real geographical locations and beam your treasures up to your spaceship.

Tarver Games is getting ready to add apps to the world's somewhat thin list of location-based fantasy games. The company has announced a game studio to develop games for the iPhone, and its first major production, Ghosts Attack, is due for imminent release on Apple's app store.

The Future of Pinball, an iPhone developer, has launched a location-based iPhone game, Wishing Stars, specifically for Disneyland in California. A separate version is in development for Walt Disney World in Florida.

Fans of the world's most popular online role-playing game can start taking advantage of a new location-based service to bring their gaming pleasure closer to home.