Call of Duty 4: Modern Warfare is an updated version of its predecessors, which were both first person shooters set in World War II. This game offers a more contemporary look, dealing with current events issues and more updated ammo. Thanks to its awesome storyline and list of challenging Achievements, you're sure to keep playing this game even though you're done with the single player mode. The multiplayer mode allows you to get on COD4 servers and interact with other players online, and certain features are only available on multiplayer. You can likewise create a private server and play with your friends, and this can be great training for you since you'll get to familiarize yourself with the areas. You won't get experience points for your efforts in a private server game, however, no matter how long or how well you play.
Dedicated gaming servers online enable strangers to play by creating or joining gaming arenas. Players can also create their own private rooms to host games with their friends. Call of Duty 4 doesn't have Achievements exclusively available on multiplayer mode, but said mode does have a lot of fun unlockables. Unlockables are automatically made available one a player has reached a particular level, so anyone can get them as long as they keep levelling up. Some unlockables are fun to play, which is why so many people play on COD4 servers AND Call of Duty 4 servers. When you're playing on a Call of Duty 4 server, you can play either weapons or training challenges, unlock certain weapons, and get perks.
Players can choose either weapons challenges or training challenges. Weapons challenges are dependent on the type of weapons you're using, and each weapon will have Marksman and Expert challenges, which you can complete by mastering the use of the weapon. On the other hand, training challenges involve tasks which must be completed in exchange for experience points. Some challenges can get insanely difficult after a couple of levels, and you may need the help of a friend on the other team in order to finish particular challenges—this would be a great time to go on a COD4 server and get some help from other players.
One of the reasons why Call of Duty 4 hosting is so popular is the unlockable weapons and the perks that can be used to customize the characters. The three different kinds of perks affect different aspects of gameplay, making the entire game much more interesting.
Despite the lack of achievements for multiplayer mode, Call of Duty 4: Modern Warfare is still arguably one of the best first person shooters out there, and it's definitely more fun and exciting to play in multiplayer mode. Start playing on a COD4 server right now, because we all know it's much more fun to play video games with and against other human beings than with robots.