Call of Duty4

Call of Duty 4: Modern Warfare

is a first-person shooter video game developed by Infinity Ward and published by Activision for Xbox 360, PlayStation 3, and Windows; it is also scheduled for release for Mac OS X in May 2008. It is the fourth installment of the Call of Duty video game series, excluding expansions. The game breaks away from the World War II setting of previous games in the series and is instead set in modern times. It is also the first game in the series to be rated Mature in North America. The title and game details were announced on April 25, 2007, and it was released worldwide between November 6, 2007 and November 9, 2007. The game also became available on Steam on November 6, 2007 for pre-purchase, and was available to play on November 12, 2007.

The story is set in a fictional near-future war between the United States, United Kingdom, and Russian Loyalists against Russian Ultranationalists and Middle Eastern rebels, and features real-world weapons and vehicles. It is told from the perspective of both a United States Marine and a member of the British SAS, and is set in multiple locations, including the Middle East, Azerbaijan, Russia, and Pripyat. The multiplayer portion of the game features different game modes, and contains a leveling system which allows the player to unlock additional weapons, weapon attachments, and camouflage schemes as they advance.

Call of Duty 4: Modern Warfare received almost universal praise, winning multiple awards at gaming websites, and being complimented on its storyline, visual elements, realism, and quality of its multiplayer gameplay.

Gameplay
Call of Duty 4: Modern Warfare is a first person shooter similar to previous games in the Call of Duty series, but is set in present-day warfare instead of the World War II setting that previous games in the series featured.

The series' move to modern warfare introduces new weapons and technology to the Call of Duty franchise, including the M203 grenade launcher, M4A1 carbine, the AN/PEQ-2 Target Pointer for use in conjunction with night vision goggles, the MP5SD submachine gun, and the FGM-148 Javelin portable anti-tank guided missile. The player gains access to these over the course of the game, but may only carry up to two weapons in addition to a service pistol and grenades. Weapons from fallen foes can be picked up to replace weapons in a player's arsenal. A number of additional abilities, such as a grenade launcher attachment, night-vision googles, and airstrikes can also be called in.

A player can perform one of three stances: standing, kneeling, and prone; each affects the player's rate of movement, accuracy, and stealth. The game emphasizes the use of cover with these stances to avoid enemy fire or to recover health after taking significant damage, as there are no armour or health powerups. When the player has taken damage, the edges of the screen glow red and the character's heartbeat becomes louder, but by staying out of fire for a short period, the player can recover. When the player is within the blast radius of a live grenade, a marker indicates the direction of that grenade, warning the player to either flee or toss it back to the enemy.

Discountedgame
it is considered a discountedgame since the price has dropped from $59.99 to $54.99 and now the starting price is $37.00. Click gameplay | discountedgame astore for detail.

Single player
The single player campaign in Call of Duty 4 is similar to previous games in the series in that the player takes on the role of multiple characters over the course of the game. Similar to Call of Duty 3, these characters' involvement in the plot occur simultaneously and overlap over the events in the game. As such, the player's perspective can change from one character to another between missions.

Each mission features a series of objectives; the player is led to each objective with the head-up display, which marks its direction and distance. Some objectives are simply to arrive safely at that checkpoint, while others require the player to clear out all enemies around that point, stand their ground at the point to defend an objective, or to plant explosive charges on an enemy installation. The player is often accompanied by friendly troops, though they cannot issue orders. Throughout the scenarios are a series of computer laptops containing enemy intelligence that can be collected for unlocking game bonuses.


Multiplayer

Capturing a flag in Domination modeCall of Duty 4 features a number of different team-based and every-man-for-himself-based multiplayer modes on several different maps. These modes each have different objectives, therefore requiring different strategies to complete the mission. Players can call in the UAV reconnaissance scans, air strikes, and attack helicopters to assist their team by achieving a three-, five-, or seven-enemy kill streak respectively. A common aspect of each mode is that games end when either a team has reached a predefined number of points, or the time limit has run out, thereby selecting the team with the most points as the winning team.

The player's performance is tracked in the multiplayer mode through experience points earned by taking down other players, helping to complete objectives, or by being part of the winning team. As the player gains experience, they advance in level, unlocking new weapons, perks, challenges, and gameplay modes they can participate in. The highest possible level obtainable is 55, but on the console versions of the game, the player has the option to play "Prestige" mode, resetting their level back to 1 and losing all earned bonuses in exchange for a special in-game insignia. This process can be repeated up to ten times with a different insignia being given each time. This gives the player a total of 605 levels to achieve. Leaderboard statistics, including kills, deaths, and playing time, are not affected by Prestige mode.

At the lower experience levels, the player only has access to five pre-determined classes, defaults for certain types of weapons. However, as the player advanced levels they earn the ability to customize their classes. This includes selecting their main weapon, side arm, and grenade type. Additionally, the player can select a limited number of "perks" that can customize their character further; perk effects include increasing damage by the player, being able to take more damage, or by detonating a grenade when dying in an act of martyrdom. Additionally, the player is given a number of challenges to try to complete, such as by achieving a certain number of kills with a specific weapon, performing a number of specific types of shots, or other activities. Completing a challenge can unlock new weapons, perks, or other bonuses, or can grant experience points

(Informations in gameplay | discountedgame blog can be found in Wikipedia)