2. Dead Island

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Most folks forgot about Dead Island following its original 2007 reveal, but following this equally brutal and touching teaser earlier this year, the game was on the tip of everyone's tongue.

This slow motion, backwards-spooling, piano-driven clip immediately persuaded most viewers that it'd be the zombie game to finally break free of the hack-and-slash genre confines and really tell an emotional, enveloping tale.

What ultimately launched was notable more for its bugs and glitches than any tugged heartstrings, though the action experience did win over some folks. Still, it hardly resembled this shocking tease.