When you play games in your web browser, one of the following four technologies is being used usually: Adobe Flash, Java, Unity or HMTL5. Lot of people here saying yes. And the answer is yes if you want to just "make games." But as for publishing professional games? The answer is: Nope. Not yet. Sorry. online web games, multiplayer and singleplayer. From racing games to FPS games. All games are made with Unity 3D.
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