If you want to use the COOP.cmd file to load the appropriate map you right click the file, choose edit and find the line almost at the bottom that ends with mp_coop_start. So, the issue still is that you manually have to load the next level every time you get to that point. However, since you don’t have Steam to track your achievements or progress you will still return to mp_coop_lobby_2 with no change on that course, making it loop the game-play to the first courses infinitely. It will essentially do the same thing as this guide, but it does it for you. With update 3 from Skidrow there is now a file named COOP.cmd in your game directory. Here is the complete list, in the right order, of all the names of the multiplayer co-op maps in Portal 2: (When ProblemVsSolution was playing we tried to play over the internet IP and over a Hamachi IP. However, if you should turn off the game you always need to start to connect BEFORE the host starts a map. The simple solution to this is just for the host to load the right map that should have followed, and for the other player to connect again. We noticed that after every map where you are asked to “steal information” from a disc the game loaded mp_coop_lobby_2.

When a map is complete the game will automatically load the next map. (replace 127.0.0.1 with the IP of the computer that will act as server) So, FIRST you want to start to connecting to the host.

Write down the ip-address of the computer that will act as host.

Start the game with your new shortcut. If done properly you now have a console window where you can enter commands. Install the game as instructed. Apply cracks as mentioned or instructed.Įdit your shortcut to the game. The solution to this one is really very easy actually. There is a solution to make that work with your “cracked” game. So, you want to be able to play the co-op part of Portal 2. It might very well work with other releases as well. This is tested and confirmed working with the SKIDROW release of Portal 2.

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