Scott A. Reed
Merging two games would need to be done by an admin. You should first be certain that that's what ought to happen. Then, I believe you can click "submit correction" on the game page and fill in the form that comes up. It will then be reviewed by an admin...eventually.
Actually, I tend to stay mostly up-to-date on corrections, but I cannot affect the merger of games until the merger tools are back online. I've added this to a list of games to merge.