does not work on QuakeDS. Since the source code for Quake was released, a number of unofficial ports have been made available for PDAs and mobile phones, such as PocketQuake, as well as versions for the Symbian S60 series of mobile phones and Android mobile phones. The Rockbox project also distributes a version of Quake that runs on some MP3 players. In 2005, id Software signed a deal with publisher Pulse Interactive to release a version of Quake for mobile phones. The game was engineered by Californian company Bear Naked Productions. Initially due to be released on only two mobile phones, the Samsung Nexus (for which it was to be an embedded game) and the LG VX360. Quake mobile was reviewed by GameSpot on the Samsung Nexus and they cited its US release as October 2005; they also gave it a "Best Mobile Game" in their E3 2005 Editor's Choice Awards. It is unclear as to whether the game actually did ship with the Samsung Nexus. The game is only available for the DELL x50v and x51v, both of which are PDAs, not mobile phones. Quake Mobile does not feature the Nine Inch Nails soundtrack due to space constraints. Quake Mobile runs the most recent version of GL Quake (Quake v.1.09 GL 1.00) at 800x600 resolution and 25 fps. The most recent version of Quake Mobile is v.1.20 which has stylus support. There was an earlier version v.1.19 which lacked stylus support. The two Quake expansion packs, Scourge of Armagon and Dissolution of Eternity, are also available for Quake Mobile. A Flash-based version of the game by Michael Rennie runs Quake at full speed in any Flash-enabled web browser. Based on the shareware version of the game, it includes only the first episode and is available for free on the web. Mods and add-ons Quake can be heavily modified by altering the graphics, audio, or scripting in QuakeC, and has been the focus of many fan created "mods". The first mods were small gameplay fixes and patches initiated by the community, usually enhancements to weapons or gameplay with new enemies. Later mods were more ambitious and resulted in Quake fans creating versions of the game that were drastically different from id Software's original release. The first major Quake mod was Team Fortress. This mod consists of Capture the Flag gameplay with a class system for the players. Players choose a