Hearthstone is a great example of Blizzard making free-to-play online games with an excellent monetisation plan and supporting them for long periods. For the uninitiated, Hearthstone is a card game that released back in 2014 and the launch of the latest expansion — Rise of Shadows — brought me back to the game once more.
With each new expansion of Hearthstone the metagame changes quite a bit. This is necessary to keep experienced players engaged and offer them a fresh challenge. However for
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