Heartstone

Hearthstone is an online collectible card game based on the Warcraft universe developed by Blizzard Entertainment and distributed free-to-play. The game was released for personal computers on March 11, 2014. It was later ported to the iOS and Android platforms.

The game received generally positive reviews from critics, praising the simplicity of the game's rules, the World of Warcraft setting, the audio-visual elaboration, and the variety of gameplay that should have brought new players to the collectible card game genre. Hearthstone: Heroes of Warcraft has won multiple awards in various categories in 2014, including Best Mobile Game, Best Strategy Game, and Best Online Multiplayer Game. The game is also one of the leading esports disciplines in its genre.