Defense of the Ancients: Allstars

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Defense of the Ancients (DotA) is a custom mod for Warcraft III, based on the "Aeon of Strife" map for StarCraft. The objective of the scenario is to destroy the opponents' "Ancient". The two teams' Ancients are heavily guarded structures at opposing corners of the map. Players use powerful units known as heroes, and are assisted by allied heroes and AI-controlled fighters called "creeps". As in role-playing games, players level up their hero and use gold to buy equipment during the mission.

The scenario was developed with the "World Editor" of Warcraft III: Reign of Chaos, and was updated upon the release of the Warcraft III: The Frozen Throne. There have been many variations of the original concept; currently, the most popular is DotA: Allstars, which has been maintained by several authors during development.

Since its release, Allstars has become a feature at several worldwide tournaments, including Blizzard Entertainment's BlizzCon and the Asian World Cyber Games, as well as the Cyberathlete Amateur and CyberEvolution leagues; Gamasutra declared that DotA was perhaps the most popular "free, non-supported game mod in the world." The map has gone on to influence other maps and games, including the strategy game League of Legends.

Gameplay

Defense of the Ancients pits two teams of players against each other: the Sentinel and the Scourge. Players on the Sentinel team are based at the southwest corner of the map, and those on the Scourge team are based at the northeast corner. Each base is defended by towers and waves of units which guard the main paths leading to their base. In the center of each base is the "Ancient", a building that must be destroyed to win the game.

Each human player controls one hero, a powerful unit with unique abilities. In Allstars, players on each side choose one of ninety-three heroes, each with different abilities and tactical advantages over other heroes. The scenario is highly team-oriented; it is difficult for one player to carry the team to victory alone. Nevertheless, some heroes, given enough time, can change the outcome single-handedly, while countering the opposing team's heroes. Defense of the Ancients allows up to ten players in a five versus five format and an additional two slots for referees or observers, often with an equal number of players on each side.

Because the gameplay revolves around strengthening individual heroes, it does not require one to focus on resource management and base-building, as in most traditional real-time strategy games. Killing computer-controlled or neutral units earns the player experience points; when enough experience is accumulated, the player gains a level. Leveling up improves the hero's toughness and the damage it can inflict, and allows players to upgrade their spells or skills. In addition to accumulating experience, players also manage a single resource: gold. The typical resource gathering of Warcraft III is replaced by a combat-oriented money system; in addition to a small periodic income, heroes earn gold by killing hostile units, base structures, and enemy heroes. Using gold, players buy items to strengthen their hero and gain abilities. Certain items can be combined with recipes to create more powerful items. Buying items that suit one's hero is an important tactical element of the scenario.

Allstars offers a variety of game modes, selected by the game host at the beginning of the match. The game modes dictate the difficulty of the scenario, as well as whether people can choose their hero or are assigned one randomly. Many game modes can be combined (for example, an easy difficulty level and a random hero pick), allowing more flexible options.

Development

The first version of Defense of the Ancients was released in 2003 by a mapmaker under the alias Eul, who based the map on a previous StarCraft scenario known as "Aeon of Strife", After the release of Warcraft III: The Frozen Throne, which added new features to the World Editor, Eul did not update the scenario. Other mapmakers produced spinoffs that added new heroes, items, and features.

Among the DotA variants created in the wake of Eul's map included Allstars, developed by modder Steve Feak (under the alias Guinsoo); this version would become the most popular version of the map. Feak said when he began developing Allstars he had no idea how popular the game would eventually become; the emerging success of the gametype inspired him to design a new title around what he considered an emerging game genre. Feak added a recipe system for items so that player's equipment would scale as they grew more powerful, as well as a powerful boss character called Roshan (named after his bowling ball) who required an entire team to defeat. Steve "Pendragon" Mescon created a community site, dota-allstars.com, in 2004 to replace the battle.net channel Feak created to provide a place for DotA players to congregate.

Towards the end of his association with the map, Feak primarily worked on optimizing the map before handing over control to another developer after version 6.01. The new author, IceFrog, added new features, heroes, and fixes. Each release is accompanied with a changelog. IceFrog is notoriously reclusive, refusing to give interviews; the only evidence of IceFrog's authorship is the map maker's email account on the official website and the name branded on the game's loading screen.

Defense of the Ancients has strong community support, now maintained via official forums. Users can post ideas for new heroes or items, some of which are added to the map. Players have contributed icons and hero descriptions and created the artwork displayed while the map loads, and suggestions for changes to existing heroes or items are taken seriously; IceFrog once changed a new hero less than two weeks after the new version of the map was released. Versions of the scenario where enemy heroes are controlled by artificial intelligences have also been released.

Because Warcraft III custom games have none of the features designed to improve game quality (matchmaking players based on connection speed, etc.), various programs are used to maintain Defense of the Ancients. External tools ping player's locations, and games can be named to exclude geographic regions. REFG Clans and committees such as Team DotA Allstars (TDA) maintain their own official list of rules and regulations, and players can be kicked from matches by being placed on "banlists".

Reception and legacy

The popularity of Defense of the Ancients has increased over time. The scenario was featured by Computer Gaming World in a review of new maps and mods in Warcraft III. DotA Allstars became an important tournament scenario, starting with its prominence at the debut of Blizzard's BlizzCon convention in 2005. Defense of the Ancients was included in the game lineup for the internationally recognized Cyberathlete Amateur League and CyberEvolution leagues. Additionally, the scenario appeared in Electronic Sports World Cup (ESWC) 2008, Oliver Paradis, ESWC's competition manager, noted that the high level of community support behind the scenario, as well as its worldwide appeal, were among the reasons it was chosen.

Defense of the Ancients has been credited as one of the influences for the 2009 Gas Powered Games title Demigod, with the video game publication GameSpy noting the game's premise revolved around aspiring gods "[playing] DotA in real life". Guinsoo went on to apply many of the mechanics and lessons he learned from Defense of the Ancients to the Riot Games title League of Legends. Other DotA-based games include S2 Games' Heroes of Newerth. Blizzard Entertainment is also developing a free mod for StarCraft II: Heart of the Swarm entitled Blizzard DOTA, featuring an array of heroes from Blizzard's franchises.

External links

• GetDotA.com Official download site for DotA Allstars
• Official DotA website