BotFighters is a location-based mobile game and a pervasive game  developed by "It's Alive!", a subsidiary of Digiment designed to be a MMORPG played in an urban environment. It was possibly the world's first commercial location-based game. It was first released in Sweden in 2001, and later in Russia, Finland, Ireland and China.
Originally, all game interactions were carried out through SMS, but later updates included implementing the game in Java[dubious ] The mission of the game was to locate and destroy other players. Each player was represented in the game as a robot warrior. Successful battles were rewarded with money which could be traded in, via a website, for armor upgrades and other features for the player's robot. The game was temporally expansive, because there were no safe zones or timeouts; players were always playing. The likeness of the game has been compared to that of Paintball.
- Böttger, Matthias, ed. (2007), "BotFighters: A Game That Surrounds You", Space Time Play, Basel, Boston, Berlin: Birkhäuser Verlag AG, pp. 226–227, ISBN 978-3-7643-8414-2
- Montola, Markus; Stenros, Jaakko; Waern, Annika (2009). Pervasive Games. Theory and Design. Experiences on the Boundary Between Life and Play. Morgan Kaufmann Publishers.
- "It's Alive Mobile Games AB". Archived from the original on 2005-02-07. Retrieved 2013-10-18.
- Oppermann, Leif (April 2009), Facilitating the development of location-based experiences, University of Nottingham, uk.bl.ethos.508291
- The Inquirer: Botfighters - a new Russian addiction
- Laois Nationalist: Mobile could be playing an expensive game
- Ars Electronica Archive
- BotFighters on GameSpot
- Have Cell Phone, Will Shoot - article on BotFighters and other location-based games from Wired
- Ready, aim, text - article on BotFighters from The Guardian
- Location-based mobile game
- Alternate Reality Game
- Location-based service
- Sentient computing
- Ubiquitous computing
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