|rowspan="5" style="text-align:center;"|In order to play these maps on hard,<br/> you must complete the previous map<br/> on either normal or hard.<br/> (e.g., to do E4 on hard,<br/> you must complete E3 on normal or hard.)
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|rowspan="5" style="text-align:center;"|In order to play these maps on hard, you must complete the previous map on either normal or hard.<br/> (e.g., to do E4 on hard,<br/> you must complete E3 on normal or hard.)