Call of Duty: Modern Warfare is a game that needs constant fixes, which is expected of any consistent, online competitive game. Sometimes this takes the form of a 30GB patch , but more often it is smaller changes and quality of life fixes. The best changes are the ones that follow what players have been asking for consistently. No matter what changes are implemented in a game like Call of Duty: Modern Warfare , professional players have to keep track of all of them. Even a small change can have a big impact on the pro play scene if someone figures out how to exploit it properly. This means testing new features extensively and seeing what changes to weapons and equipment mean for actual gameplay. A big aid to professional players when it comes to testing the game is private, custom matches, which allow players to tinker with the rules. In this way, players can create a game with just their friends to either study aspects of the match, practice under certain conditions, or just have fun. These closed matches are often used for competitive practice and sometimes lead to odd discoveries, like throwing knives being able to counter finisher moves. Players have been asking Infinity Ward for dedicated servers to handle these custom games for some time, as regular servers simply weren't cutting it.
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Call of Duty: Modern Warfare 3 is a first-person action game. You can only run the unranked server when hosting it yourself. If you want a ranked server, you will need to rent one from a Game Server Provider. FireDaemon Pro will allow you to have the dedicated server start automatically at boot prior to login, start multiple instances of the dedicated server and so forth. The dedicated server files can only be downloaded through Steam.
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Call of Duty fans, you can finally rest easy: Call of Duty: Modern Warfare will have dedicated servers and support crossplay at launch. According to a Game Informer cover story via Charlie Intel , Infinity Ward and Activision are confirming that alongside full crossplay support for PC, PS4, and Xbox One, Modern Warfare will feature dedicated servers to ideally help ensure stability at launch and beyond. Dedicated servers aren't anything new to Call of Duty, but with the introduction of crossplay support to the franchise with the upcoming Modern Warfare, it's even more crucial to ensure stable server performance by forking out for dedicated servers.
As you may know, while the latter is brand-new to the series, Call of Duty has had dedicated servers for a few years now, so it's not very surprising to hear it's continuing this trend, but it's good to get a confirmation nonetheless, especially with cross-play support casting some doubt on the feature. Of course, just having dedicated servers isn't enough for a smooth and robust multiplayer experience. Dedicated servers don't mean much if the server rate isn't very high. Further, it doesn't sound like there will be dedicated servers for offline matches either, which fans have been asking Activision about for awhile now.