Call of Duty: Modern Warfare 3 (USA) (v1.21) (Disc) (Update) is an intense first-person shooter game that will leave you on the edge of your seat. Developed by Infinity Ward, Modern Warfare 3 is the eighth installment in the Call of Duty series and the third installment in the Modern Warfare branch. The game takes place in multiple locations around the world, including New York City, London, and Paris, and features an intense storyline that follows the events of Modern Warfare 2.

The game features a variety of multiplayer modes, including team deathmatch, capture the flag, and domination. Players can also customize their weapons with attachments and perks, allowing them to create a unique loadout for each game. The game also features a robust single-player campaign and a mission-based cooperative mode.

Call of Duty: Modern Warfare 3 (USA) (v1.21) (Disc) (Update) is available for download in the form of roms, games and other downloads from romsbase.com. Players can also purchase the game in the form of a disc, which has been updated with new content such as maps and weapons. With its intense and engaging gameplay, Modern Warfare 3 is sure to provide hours of entertainment.