Easy 2 - Zone of the Enders
Can I assume that the theme is titles with 'Zone' in it?
Medium 1 & 3 -- solved.
Theme -- solved. Had to make it an easy theme to keep it balanced with so many hard teasers this week. Keep going!
Hard 4: Zone Ranger
Not really hard clues, all of this was the first 40 search titles on Gamespot's game finder

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