1. After you have downloaded the .zip file, you will see a folder named "maps" in there. Open Windows Explorer and go to "Program Files (x86)\Steam\steamapps\common\Portal 2". When there, you should see a bunch of folders. There should be a folder named "portal2", drag the "maps" folder from the .zip file into the folder "portal2". 2. You are almost done! Now start Portal 2. Go to Co-op and start a game with your friend or stranger. When you see the animation or the robot blueprint .gif along with steam sounds you have to open the console. In the console type "commentary 1", then to enter a map, type "changelevel mapname" for example, changelevel sp_a2_bts1.
This Has Bugs In It So Use The Console Console Commands I will Teach You How To Get Console Commands.
1. Go To Settings
2. Keybored/Mouse
3. Enable Console Commands
Now I Am Going to Teach You How To Enable The Console Commands
Press ~ To Enable The Console Commands
Type In The Console Commands sv_cheats 1
And When your done that press noclip if there is something wrong with the codes
1. After you have downloaded the .zip file, you will see a folder named "maps" in there. Open Windows Explorer and go to "Program Files (x86)\Steam\steamapps\common\Portal...
can you play multiplayer or only with your friends?