|“I can't get over how small you are!”
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The Hub is a section of Aperture Science that is featured exclusively during the Cooperative Testing Initiative. Through the Computer Intelligence Training and Enrichment Center Human Test Subject Research Center, or CinTech (pronounced Sin-Tech), Atlas and P-Body can access the various test chambers that are featured throughout the coop campaign.
It features a large screen that displays the total steps players have taken since starting co-op, as well as total portals fired and other statistics. Additionally, it has Aerial Faith Plates, Hard Light Bridges, and Panels that allow for easy traversal of the chamber.
After you complete the final course, Mobility Gels, the Announcer then speaks to the players in the Hub. This will happen even if one of the players has not completed co-op mode. As such, one player will miss out on GLaDOS' story-related lines and the unique "new area unlocked" animations that this map plays when neither player has completed a part. This also occurs if the game is a local split-screen session where all chambers are automatically unlocked.
- There are 3 different map files for the hub.
mp_coop_lobby_1.bspis a lobby with door to Chapters 1-4.
mp_coop_lobby_2.bspis a lobby after passing all levels in Chapters 1-4, and it unlocks path to Chapter 5.
mp_coop_lobby_3.bspis a lobby after passing all levels, and it unlocks path to Art Therapy DLC maps.
- As the host (Atlas/player 1), to reset your progress so that your testing partner can experience the story in the Hub from the beginning, use the console to enter in
mp_mark_all_maps_incomplete. You won't lose your achievements or your accumulated stats (portals placed, footsteps taken, etc.), but after resetting the level with
changelevel mp_coop_lobby_1, all of the test chambers will be closed off and you'll hear GLaDOS's lines again. If your friend was further along with some of the sections done, you can use
mp_mark_course_completeand then 0, 1, 2, or 3, depending on what their last completed section was, to make your completion progress roughly equal. Finally, use
changelevelagain to load the map with the changes applied.