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Super Mario 3D All-Stars - Super Mario Wiki, the Mario encyclopedia
Super Mario Galaxy - Super Mario Wiki, the Mario encyclopedia
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Co-Optimus - Review - Super Mario Galaxy 2 Co-Op Review
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Power-ups and co-op detailed for SMG2 | VG247
Super Mario Galaxy Multiplayer - Gameplay Trailer - YouTube
:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/1947775/smg-2-split-screen.0.jpg "Super Mario Galaxy 2' split-screen co-op mod may hit this year - Polygon")