In conjunction with Electronic Arts, independent developer Borne Games created a side-scrolling browser game interpretation of Mirror's Edge titled Mirror's Edge 2D. The game is similar to and uses the modified engine of Borne's popular game Fancy Pants Adventures.
Mirror's Edge is a single-player first person action-adventure video game developed by EA Digital Illusions CE (DICE) and published by Electronic Arts.
Official Site: http://mirrorsedge2d.com/


Dragon Age Journeys (Based on Dragon Age: Origins)
Based on BioWare’s Dragon Age: Origins, Dragon Age Journeys, is a free to play browser based game with addictive combat mechanics and fluid gameplay. Dragon Age Journeys puts players in the role of a hero exploring the underground dwarven kingdom of Orzammar. Players will uncover a dastardly plot that threatens to unleash a great evil that won’t stop until it destroys all living things. The will game deliver an amazing experience to fans looking for an introduction to BioWare’s dark fantasy epic, Dragon Age: Origins.
Dragon Age: Origins is a role-playing game developed by BioWare's Edmonton studio. BioWare co-CEO Ray Muzyka described Dragon Age: Origins as a "spiritual successor" to the Baldur's Gate series.
Official Site: http://www.dragonagejourneys.com/


LEGO Star Wars: The Quest for R2-D2 (Based on Lego Franchise and Star Wars Franchise)
LEGO Star Wars: The Quest for R2-D2 is a 3D browser based online game, developed by Three Melons. The game begins when, lost in space, R2-D2 starts emitting a distress call without knowing that his signal contains the blueprints to build a powerful secret starship.
Whoever can amplify that signal will get both the droid location and this unique new weapon! The war between Separatists and Republicans is imminent!
Official Site: http://starwars.lego.com/en-us/funandgames/clonewars-quest-for-r2d2.aspx


Quake Live (Based on Quake)
Quake Live is a free browser based game supported by advertisement that looks very much like Quake 3 Arena, but unlike its predecessor, it's played via web browser.
Quake is a first-person shooter video game that was released by id Software on June 22, 1996. It was the first game in the popular Quake series of video games.
Official Site: www.quakelive.com


MapleStory iTCG Online (Based on MapleStory)
MapleStory iTCG Online, is an online flash-based, in-browser trading card game using the characters and monsters that occupy the world of MapleStory. MapleStory is Nexon’s epic massively multiplayer online game which has more than 92 million registered users worldwide.
iTCG Online is Nexon America’s first browser-based game, so players will have no need to download a client and will be able begin playing the game with very few steps.
Official Site: http://itcg.nexon.net/


Heroes of Might and Magic Kingdom (Based on Heroes of Might and Magic)
Heroes of Might and Magic Kingdoms is a massively multiplayer online game based on Heroes of Might and Magic series. It is a persistent, browser-based, turn-based strategy video game. Thousands of players will be able to rule their virtual kingdoms, lead gigantic armies against each other, master the trades or create legendary heroes.
Official Site: http://mightandmagicheroeskingdoms.ubi.com/


Meejee's Target Practice (Based on Spore)
Meejee's Target Practice is a free to play 2D flash browser game based on Spore. Learn how to fight in Meejee's Target Practice Minigame, and spit poisonous goo at your enemies! How many can you take down before the time runs out?
Spore is a multi-genre single-player metaverse god game developed by Maxis and designed by Will Wright. Meejee's Target Practice is a flash browser based mini game.
Official Site: http://www.ea.com/free/meejees-target-practice


Mercenaries 2: World Nearly In Flames (Based on Mercenaries 2: World In Flames)
Mercenaries 2: World Nearly In Flames is a 2D sidescrolling action shooter, tank driving and sniper shooting game in one, based on Mercenaries 2: World in Flames. Mercenaries 2 is a 3D third-person shooter video game developed by Pandemic Studios and published by Electronic Arts. It is the sequel to 2005's Mercenaries: Playground of Destruction.
Official Site: http://www.ea.com/free/mercenaries

Naruto Arena (Based on Naruto Franchise)
Naruto Arena is a turn based strategy browser game based on the Naruto Anime and Manga series, where your team of three ninjas is pitted against another player's team of three ninjas with the goal of reducing your opposition to 0 health points and winning the match. And like the Anime, you perform skill based moves like stuns, blocks, or special moves.
Official Site: http://www.naruto-arena.com/


Portal: The Flash Version (Based on Portal)
Portal: The Flash Version started as a Flash project by Hen Mazolski and Ido Tal. Based on Valve's Portal, Portal: The Flash Version brings it all up in 2d! The game includes over 40 challenging, portals thinking levels, and everything's included, in 2d - energy balls, cubes, turrets and even the famous crusher from the trailer. The game also includes a console to mess around with after finishing the game, or just being frustrated by thinking with portals!
Official Site: http://portal.wecreatestuff.com/


Halo Crusades (Based on Halo)
Halo Crusades is a fan made free browser based game based on the Halo Series that allows thousands of gamers to create a genetically enhanced super soldier. You will be able to train your soldier, customize their look, buy weapons, armor and equipment, join clans and teams, gamble all your money away or sell everything you own on the market and so much more!
Official Site: http://www.halocrusades.com/


CSManager (Based on Counter-Strike)
CSManager is a browser manager game based on the popular FPS Counter-Strike where you will be responsible for a whole team of CS players, staff members and weekly expenses and income.
Official Site: http://www.cs-manager.com/

RockFree (Similar to Guitar Hero)
RockFree is a free-to-play, browser-based music game that is very similar to “Guitar Hero.” Players create their character, and can play through either official songs licensed by Acclaim, or songs uploaded by other players. At this moment, guitar peripherals are not supported, but Acclaim promises support in the future.
Official Site: http://rockfree.acclaim.com


Ninja Saga (Similar to Naruto)
Ninja Saga is a casual ninja-themed web RPG in Japanese anime style. Experience the thrill and excitement which starts with the mission of an adolescent kid aspiring to learn the ways of the Ninja. Train intensively and increase your skills to challenge and conquer enemies and monsters in different villages; gain the experience, sharpen your techniques and challenge your friends in battles.
Official Site: http://www.ninjasaga.com