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HELP

Main –> FAQ / Support –> Technical
  • Troubleshoot — If you have problems getting the game to work properly

How do I get the lowest latency / lag?
Why do I get server connection sometimes?
How do I know when I get peer2peer against an opponent?
When I run a system test I get a p2p-friendly status, what does that mean?
What can I do to change network status in my system test? (Techies only!)
I'm playing the game over an unstable network, such as wireless that goes up and down often. How does the game work over that?
Is it possible to play against a computer on the same "real" Internet IP?


How do I get the lowest latency / lag?

1) The game is using either a direct connection called "peer2peer" or a server connection to your opponents. The best way for you to active low latency and great game play is to use peer2peer. Look for the server icon in the user list and avoid players with that symbol to be sure you get peer2peer connection.
2) Play against players as near you as possible. If you play against players in your own country or adjacent countries you should be able to get low latency without lag. But if you for instance play against a player from the other side of the world, you will probably not be able to play without lag, but how much lag you can tolerate is up to you to decide. The Official matches always try to pair up opponents from the same continent if possible.

Why do I get server connection sometimes?

In these cases you are unable to make a direct connection to the other player because of your firewall or NAT (Network Address Translation / router) configuration or that of the remote player. In this case, the game data communication is relayed though our game server.

How do I know when I get peer2peer against an opponent?

Avoid players with a "server" symbol in front of the user name to be sure you get peer2peer connection.

When I run a system test I get a p2p-friendly status, what does that mean?

The game needs to know what type of network you are using to be able to connect you to other players with peer2peer. All firewalls NATs and Routers out there have different types of peer2peer friendliness.

We have categorized the firewall/NAT/routers in 3 different types:
P2P-friendly GOOD: Direction connection -This type is the best and you should be able to play p2p with all other players.
P2P-friendly AVERAGE: Restricted NAT, Port-restricted NAT - This type is ok, you can play p2p against all GOOD and all AVERAGE ones.
P2P-friendly POOR: Symmetric NAT - This type is the toughest. You can only play p2p with the GOOD once.

About 75 percent of firewall/NAT/router's are "p2p-friendly: GOOD or AVERAGE". If you are buying a new firewall/NAT/router, you should look for one that is "p2p-friendly".

What can I do to change network status in my system test? (Techies only!)

There is no simple answer to this question since there are so many different types of network configurations. However, there are several things you can do to ensure or at least improve the likelihood that you will have a direct connection.
Server connections are usually caused by the firewall/NAT/router not allowing UDP packets out and their replies back in. Opening ports is usually not necessary, but it can help in some cases, depending on the firewall/NAT/router.

Try to open your UDP ports 5000-5010 and 19998-21000 in your firewall/router and run a system test again to see if you have changed network status.

It may help to consult your firewall/NAT vendor or documentation to find out whether this is possible or how to configure you firewall/NAT to allow UDP replies in (usually in the advanced settings).

About 75 percent of firewall/NAT/router's are "p2p-friendly" which means that they are configured by default to let this traffic through in a special way (technically, they allow "UDP Consistent Translation"). If you are buying a new firewall/NAT/router, you should look for one that is "p2p-friendly".

I'm playing the game over an unstable network, such as wireless that goes up and down often. How does the game work over that?

The game is designed to be tolerant of network problems. The game communication automatically continues after connection is re-established, but only if it is up within 5 sec otherwise you are considered as a walkover.

Is it possible to play against a computer on the same "real" Internet IP?

Two computers behind a NAT sharing a single "real" IP with different internal IPs is possible, the system will detect this and allow you to play peer2peer inside the local area network.