This paper demonstrates how useful content can be generated as a by-product of an
enjoyable mobile multiplayer game. In EyeSpy, players tag geographic locations with photos …

It is now possible to capture geotagged photos and videos and share them with family and
friends. Yet the reality is that applications for capturing and viewing this information are not …

The games with a purpose paradigm proposed by Luis von Ahn [9] is a new approach for
game design where useful but boring tasks, like labeling a random image found in the web …

Mobimissions is a location-based pervasive social game in which players use camera
phones with location-based capabilities to create, share and reply to real-world missions …

We present a study of people's use of positional information as part of a collaborative
location-based game. The game exploits self-reported positioning in which mobile players …

In current authoring tools for location-aware applications the designer typically places trigger
zones onto a map of the target environment and associates these with events and media …

The Citywide project is exploring ways in which technology can provide people with rich and
engaging digital experiences as they move through physical space, including historical …

See It is a location-based treasure hunt game designed to promote physical activity amongst
players. In the game, players use ambiguous visual clues in the form of images and video …

We describe two games in which online participants collaborated with mobile participants on
the city streets. In the first, the players were online and professional performers were on the …

Successfully staging a mixed reality game in which online players are chased through a
virtual city by runners located in the real world requires extensive orchestration work. An …