The 10 Most Watched Ads on YouTube in 2015

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Game maker Supercell is the big winner on Adweek and Google's year-end YouTube Ads Leaderboard list for 2015, ranking the most-viewed commercials posted to the video site. But the top 10 list is hardly all mindless diversion.

Ads for two different Supercell games, Clash of Clans and Boom Beach, were among the four most-viewed spots of the year. And the Clash of Clans spot—which ran on the Super Bowl and starred Liam Neeson—nabs the No. 1 spot.

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