This is a Co-op map, it has lots of faith plates. To play, go to the hub then type in console: changelevel mp_coop_lotsoffaith_ljdp No friends? at the menu type: ss_map mp_coop_lotsoffaith_ljdp
This is a medium difficulty Coop map. It doesn't include any hardcore moves and you don't need extreme precision or timing, but it is quite challenging.
The map uses portals but interestingly not through the portal gun. The Puzzle can be solved, however it will require teamwork and brain power.