PlaneShift is a cross-platform 3D Online Multiplayer Role Playing Game in a fantasy setting. The framework is open source with the server and client released under the GNU General Public License v2, while the artistic content is covered under a proprietary license. All content, however, is available free of cost.  The game requires client software to be installed on the player's computer. The project is no-budget and produced by a group of developers guided by the Atomic Blue organization. The development team comprises volunteers from mostly European countries and North America. An Unreal Engine port has been released in its alpha stage.

Setting
PlaneShift takes place inside a colossal stalactite named Yliakum. Players begin in the main city, Hydlaa, where they will start their journey. PlaneShift has 9 playable races, each of which have their own homelands and characteristics. The races feature standard fantasy types, like elves and dwarves, but also humanoids made of rock and winged amphibians. Though set underground, life is possible because a crystal named the Azure Sun draws light from the surface of the planet.

Gameplay

PlaneShift gameplay is based on classical Multiplayer Role Playing Game style, with exploration, magic, single player or team based combat and quests. A major goal of the game is to explore and learn. This can either be done by reading books or by learning about the world by speaking with the NPCs. The interaction with the NPCs is based on predefined answers the player can pick from a list, and also a freeform text entry, which uses natural language parsing to interpret the text. Some of these NPC's provide quests and guidance on how to proceed to gain items and powers. The quests are sequenced to allow character progression in the different skills of the game. There are also events, hosted by Game Masters, that allow for unique quests, festivals and happenings. Players increase their character's skills by completing these quests in the game. The game has strong focus on Role-play (RP).  IC (In-Character) behaviour and speech are promoted by the Game Master team.

Players trade using the currency Tria, a triangle-shaped coin. There are denominations for 10, 50 and 250 Tria, named Hexas, Octas and Circles.

Character creation
The PlaneShift character creation tool features two options. The first option is to choose to make a "quick" character, in which a player chooses a "path" and the character's specific attributes are chosen based on the profession. A path reflects the career of the character in his youth, and has associated events which will set the starting skills and stats. The available paths are "Street Warrior", "Enchanter", "Fighting Monk", "Warlock", "Knight", "Rogue".
The second option is to make a character with the "custom" method. This method allows the player to choose many additional aspects of the character by describing the story of their birth, parents, jobs, house, siblings, and the life events that happened up to his or her adulthood. The choices made affect the starting attributes and skills the character has.

Combat
PlaneShift features both player versus environment and player versus player combat. The latter is implemented as the ability to engage in duels on a voluntary basis, which requires both parties to agree to the conditions of the duel. If two players' guilds are at war with each other, they do not need to agree to a duel in order to initiate combat with each other. Characters attain progression points (PP) when they successfully engage in combat and use certain abilities, which are used for training attributes. PlaneShift uses a skill based progression system, which allows the player to develop this character in any skills without the mandatory choice of a profession.

Magic
PlaneShift magic comprises several distinct "Ways" (Schools): Crystal Way, Red Way, Brown Way, Azure Way, Blue Way, and Dark Way. Casting spells requires combinations of special magical items called glyphs. The spells are not known upfront, and have to be researched by combining glyphs in sequence.

Development
The PlaneShift project is developed under guidance of Atomic Blue, a Texas-based non-profit organization. The PlaneShift development team is organised in several departments with corresponding leaders.

PlaneShift has been open to players for free since its first public release. The server side engine code and the client code is written from scratch by the PlaneShift team, while the 3D rendering features are based on the Crystal Space 3D engine. Since the Crystal Space engine is no longer supported, the whole game content is currently being moved to Unreal Engine. On 6 February 2023 the final move of player characters to the Unreal Engine version 0.7.30 took place. The move was announced on the Discord server only. The website will be updated soon.

The servers and the internet connection for the game are donated by sponsors.

The game uses two different licenses: the engine is released under the GNU General Public License v2, and the content is released under a proprietary license. The artwork, ruleset, dialog, and other non-engine content of PlaneShift are proprietary and licensed under a custom license: the PlaneShift Content License (PCL). The PCL prevents modifications, redistributions, and assigns the copyright of accepted contributions to Atomic Blue. This license also forbids using the content for profit or for unofficial hosting.

The original game idea came from Luca Pancallo in 1994, who released a 2D version in 1996. The development of this game ended 1998 as no commercial support or publisher could be found. In 2000 the development was restarted aiming for a 3D version with an international team of developers. The first major version (0.1) released on May 2, 2002, was codenamed "Atomic Blue". Four different public versions of the game have come out since then, with additional functionality. PlaneShift is currently in the alpha stage of development at version 0.6.3, codenamed "Azure Spirit". The current version "Azure Spirit" was released on April 7, 2014.

Reception 
Metacritic lists the game with 56 points from one review from mmorpg.com.

PlaneShift has been used in multiple studies regarding development of free software and video games. PlaneShift has been also studied as a collaborative software engineering organizational model.

See also

 WorldForge
 List of open source games

References

External links
 
 Atomic Blue web site
 PlaneShift page at SourceForge

MacOS games
Linux games
Massively multiplayer online role-playing games
Open-source video games
Role-playing video games
Video games developed in the United States
2002 video games
Unreal Engine games