AirMech is a free to play mech-focused MOBA that is inspired by an old RTS game called Herzog Zwei. Herzog Zwei was sort of a cult favorite in Europe and AirMech tries to bring back that nostalgia along to a new genre, the MOBA.
Avalon Heroes, or Avalon Online in Asia, is a fantasy MOBA that pits over 35 heroes in a battle against enemy teams in individual matches. Avalon Heroes places an immense amount of emphasis on teamwork and micro-management and takes only the saviest of gamers to master.
Originally called Blizzard DotA, Blizzard All-Stars will be Blizzard's jump into the popular MOBA scene. There is very little known about the game other than it will feature many of the most popular characters from across the Blizzard Universe.
Bloodline Champions offers a more simplified take on the classic MOBA game. This is not a bad thing mind you, as it gives players a great chance to get into the genre without being beat up in every match like other battle arena games.
Dota 2, or Defense of the Ancients 2, is the sequel to the originator of the MOBA Genre. Like all MOBA games, in Dota 2 you will control your hero along with 4 allies to take out the enemy team on the opposite end of the map.
Dawngate was recently revealed on accident by Electronic Arts. The game will be a unique play on a fantasy-themed MOBA game that is built from the ground up. Dawngate will be focused on an incredibly rich lore with a very detailed environment.
You may be intrigued to find Forge here. Not only is it not 'technically' a MOBA, but it's also not free. But let me plead my case for a minute. Forge offers lobby-based PvP with an exciting variety of classes, an intense fast-paced combat style and intuitive game design.
Guardians of Middle Earth is a console based MOBA game that is inspired by the Lord of the Rings. GoME is not free, but doesn't dent the wallet too much at around $30. The game is developed by Monolith Games and features many of the famous characters of Tolkien's world in a strategy based online PvP game.
Heroes of Newerth is a quite popular free to play MOBA that is heavily inspired by the original DotA. In the game you will choose from a large roster of heroes and battle it out as part of either the Legion or the Hellbourne.
Infinite Crisis, was recently announced by Warner Bros. and developer Turbine. They are hoping to get that audience that is having a difficult time getting in against the ever stronger players of games like Dota 2 and League of Legends.
Land of Chaos Online, or LOCO for short, is a 3D fantasy MMO game that mixes a little bit of third person shooter, MMORTS and RPG elements to form one really unique MOBA style game.
League of Legends is the most popular MOBA, and one of the most popular overall games, in the world. League of Legends is not the first MOBA, but it definitely leads the way today with one of the largest player bases in all of gaming.
Merc Elite is a brand new free to play MOBA game from Bigpoint. The game is military-themed and set in the near-future where you lead a team of mercenaries as you coordinate joint operations to eliminate your enemy.
Rise of Immortals doesn't do much to differentiate itself in the MOBA market but does offer something for fans of the genre to enjoy. One thing RoI does differently than most MOBAs is that each hero has their own perk branch and skill treat, which allows you to individually upgrade each unit.
Sins of a Dark Age is a fantasy multiplayer online battle arena game that mixes the real-time strategy feel with the MOBA genre that we all love so dearly.
SmashMuck Champions is a free online arena game that seperates itself from many in the MOBA genre by offering a bit of a twist on traditional gameplay modes and settings. But you could probably tell that just by looking at the title and any media released by Kiz Studios.
SMITE is a newer entrant into the free to play MOBA category. The game went through an extensive beta and has just recently been released in 2013. SMITE takes the MOBA category in a slightly different direction by introducing a new camera angle. Instead of the typical top down or 3/4 view you are in more of a third-person combat view.
Super Monday Night Combat or Super MNC takes a mix on MOBA style action like Dota 2 and blends it with the past-faced action of a first person shooter.
Creative Assembly only just announced their brand new MOBA styled game, Total War: Arena at GDC recently. Really the only information we know about the game is that it will feature everything that you know and love from the entire Total War franchise and mix it with an RTS and MOBA style that has become popular these days.
Warhammer Online: Wrath of Heroes is a multiplayer online battle arena (MOBA) game developed by BioWare Mythic and Electronic Arts. The game was spun-off of another Warhammer game, Age of Reckoning, but of course Wrath of Heroes ditches the Realm versues Realm focus of the last game and brings in the PvP arena action of MOBAs.