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Diablo III

Microtransactions in Diablo III are summarized as...

In Asian regions this game is free to play and does include microtransactions, but everywhere else there's nothing but DLC.

Features unique cosmetic rewards for pre-ordering the game.
Has a "deluxe" edition of the game which features (almost) nothing but in-game cosmetic items.
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Contains large scale paid DLC that could be considered a full expansion.