In the past year, gamers have spent $680 million in the Epic Games Store, according to the publisher. The figures, announced by Epic on Tuesday in a blog post, are a victory lap for the company after a year of vocal criticism from players, a cycle of controversy centering on the platform’s efforts to score exclusivity deals on new titles, and accusations of espionage on the part of the Tencent, a Chinese corporation with a large stake in Epic Games.