The mp_coop_halls_of_menoetius.zip file you have requested: Maps Levels Missions / Coop Maps / Portal 2 Map - The Halls of Menoetius - 2.18mb is not available. Perhaps try browsing all files for the game Portal 2 and upload any files you want to share or are missing. This is the only information we could locate:
This is a portal 2 co-op map that is quite challenging. It is one very small and self contained puzzle that involves no glitches, weird portal maneuvers or anything a standard portal gamer would not be able to do. The map uses portals but interestingly not through the portal gun. The Puzzle can be solved, however it will require teamwork and brain power.