Main article: Dota 2
In October 2009, IceFrog was hired by Valve Corporation, leading a team in a project that he described as "great news for DotA fans".[43]Valve officially announced the stand-alone sequel to the original mod, Dota 2, in October 2010.[44] Dota 2 follows heavily in the gameplay style of DotA, with aesthetics and heroes working as direct ports to the original mod. In addition to the pre-conceived gameplay constants, Dota 2 also features Steam support and profile tracking, intended to emphasize and support the game's matchmaking."[45]
The marketing and trademark of Dota as a franchise by Valve gained concern and opposition from the DotA Allstars contributors working at Riot Games, as well as Blizzard Entertainment, both of which legally opposed the franchising of Dota by Valve.[46] The legal dispute was conceded on May 11, 2012, with Valve gaining undisputed franchising rights for commercial use to the trademark, while non-commercial use remains open to the public.[47] Dota 2 was released on July 9, 2013.[48]
The scenario is popular in many parts of the world; in the Philippines and Thailand, it is played as much as the game Counter-Strike.[31][32] It is also popular in Sweden and other Northern European countries, where the Defense of the Ancients-inspired song "Vi sitter i Ventrilo och spelar DotA" by Swedish musicianBasshunter reached the European 2006 charts at #116 and cracked the top ten Singles Charts in Sweden, Norway,[33] and Finland.[34]LAN tournaments are a major part of worldwide play,[30] including tournaments in Sweden and Russia; however, due to a lack of LAN tournaments and championships in North America, several teams disbanded.[31] Blizzard points to DotA as an example of what dedicated mapmakers can create using developer's tools.[35]
In June 2008, captainSMRT, writing for Gamasutra, stated that DotA "is likely the most popular and most-discussed free, non-supported game mod in the world".[3] In pointing to the strong