Team Fortress 2Team Fortress 2 is a 2007 multiplayer first-person shooter game developed and published by Valve Corporation. It is the sequel to the 1996 Team Fortress mod for Quake and its 1999 remake, Team Fortress Classic. The game was released in October 2007 as part of The Orange Box for Windows and the Xbox 360, and ported to the PlayStation 3 in December 2007. It was released as a standalone game for Windows in April 2008, and updated to support Mac OS X in June 2010 and Linux in February 2013.
League of LegendsLeague of Legends (LoL), commonly referred to as League, is a 2009 multiplayer online battle arena video game developed and published by Riot Games. Inspired by Defense of the Ancients, a custom map for Warcraft III, Riot's founders sought to develop a stand-alone game in the same genre. Since its release in October 2009, League has been free-to-play and is monetized through purchasable character customization. The game is available for Microsoft Windows and macOS.
Defense of the AncientsDefense of the Ancients (DotA) is a multiplayer online battle arena (MOBA) mod for the video game Warcraft III: Reign of Chaos (2002) and its expansion, The Frozen Throne. The objective of the game is for each team to destroy their opponents' Ancient, a heavily guarded structure at the opposing corner of the map. Players use powerful units known as heroes, and are assisted by allied teammates and AI-controlled fighters. As in role-playing games, players level up their heroes and use gold to buy equipment during the game.
StarCraft IIStarCraft II is a military science fiction video game created by Blizzard Entertainment as a sequel to the successful StarCraft video game released in 1998. Set in a fictional future, the game centers on a galactic struggle for dominance among the various fictional races of StarCraft. StarCraft II single-player campaign is split into three installments, each of which focuses on one of the three races: StarCraft II: Wings of Liberty (released in 2010), Heart of the Swarm (2013) and Legacy of the Void (2015).
Multiplayer online battle arenaMultiplayer online battle arena (MOBA) is a subgenre of strategy video games in which two teams of players compete against each other on a predefined battlefield. Each player controls a single character with a set of distinctive abilities that improve over the course of a game and which contribute to the team's overall strategy. The typical ultimate objective is for each team to destroy their opponents' main structure, located at the opposite corner of the battlefield.
MicrotransactionMicrotransactions, sometimes abbreviated as mtx, are a business model where users can purchase virtual goods with micropayments within a game. Microtransactions are often used in free-to-play games to provide a revenue source for the developers. While microtransactions are a staple of the mobile app market, they are also seen on PC software such as Valve's Steam digital distribution platform, as well as console gaming. Free-to-play games that include a microtransaction model are sometimes referred to as "freemium".
Source (game engine)Source is a 3D game engine developed by Valve. It debuted as the successor to GoldSrc in 2004 with the releases of Half-Life: Source, Counter-Strike: Source, and Half-Life 2. Updates to Source were released in incremental versions, with the engine being succeeded by Source 2 by the late 2010s. Source distantly originates from the GoldSrc engine, itself a heavily modified version of John Carmack's Quake engine with some code from the Quake II engine. Carmack commented on his blog in 2004 that "there are still bits of early Quake code in Half-Life 2".
Twitch (service)Twitch is an American video live streaming service that focuses on video game live streaming, including broadcasts of esports competitions, in addition to offering music broadcasts, creative content, and "in real life" streams. Twitch is operated by Twitch Interactive, a subsidiary of Amazon.com, Inc. It was introduced in June 2011 as a spin-off of the general-interest streaming platform Justin.tv. Content on the site can be viewed either live or via video on demand.
Blizzard EntertainmentBlizzard Entertainment, Inc. is an American video game developer and publisher based in Irvine, California. A subsidiary of Activision Blizzard, the company was founded on February 8, 1991, under the name Silicon & Synapse, Inc. by three graduates of the University of California, Los Angeles: Michael Morhaime, Frank Pearce and Allen Adham. The company originally concentrated on the creation of game ports for other studios' games before beginning development of their own software in 1993, with games like Rock n' Roll Racing and The Lost Vikings.
