Call of Duty: Modern Warfare 3 is one of the most popular first-person shooter video games of all time. It has a wide variety of game modes, including single-player campaign, multiplayer, and zombies. One of the best ways to get the most out of the game is to complete the single-player campaign. Doing so will unlock a number of bonuses that can be used in the other game modes.

Completing the campaign mode will unlock a variety of bonuses that can be used in multiplayer, zombies, and Warzone. These bonuses include weapons, perks, and other items that can give players an edge in the game. For example, completing the campaign will unlock the ACR 6.8 assault rifle, which is one of the most powerful weapons in the game. It also unlocks the Juggernaut perk, which gives players increased health and damage resistance.

In addition to unlocking weapons and perks, completing the campaign will also unlock special missions in multiplayer and zombies. These missions are designed to test players’ skills and provide them with unique challenges. Completing these missions will reward players with bonus XP, which can be used to level up faster in the game.

Finally, completing the campaign will also unlock exclusive rewards in Warzone. These rewards include special skins, weapons, and other items that can give players an edge in the battle royale mode.

Overall, completing the Call of Duty: Modern Warfare 3 campaign is a great way to get the most out of the game. Doing so will unlock a variety of bonuses that can be used in multiplayer, zombies, and Warzone. These bonuses include weapons, perks, special missions, and exclusive rewards that can give players an edge in the game.