sp_a1_intro1

Portal 2 Single Player
1

Portal 2 - Phase 1 - sp_a1_intro1 - Route (DemonStrate)
Portal 2 - Phase 1 - sp_a1_intro1 - Route - Update 1 (DemonStrate)

2

Needs a save point. I suggest just before you smash through the “Docking Station”.

3

+1

4

Portal 2 - Phase 1 - sp_a1_intro1 - Route - Update 1