Call of Duty

Call of Duty Classic is a downloadable version of Call of Duty for Xbox 360 and PlayStation 3. It is an enhanced port of the original game featuring HD resolutions. Tokens to download the game ahead of its release were sold along with special "Hardened" and "Prestige" editions of Call of Duty: Modern Warfare 2, and the game was publicly released on December 2, 2009.

The Nokia N-Gage version of "Call of Duty" brings the intense World War II action of the acclaimed series to a portable format. Developed specifically for the N-Gage platform, this version offers a unique gaming experience that captures the essence of its console counterparts. Players engage in key battles from the European Theater, taking on the roles of American, British, and Soviet soldiers. Despite the handheld format, the game delivers a compelling narrative and a variety of missions that involve infantry combat, vehicle engagements, and strategic objectives. It retains the series' hallmark features, such as immersive environments and realistic sound effects, adapted for mobile play. The N-Gage version of "Call of Duty" offers fans the chance to experience the thrill of World War II combat on the go, making it a notable entry in the franchise's history.

The mobile port of Call of duty plays as a top down shooter where you play as a crew of 3 units that you select, each with their own unique abilities, there are enemies to shoot, obstacles to destroy and pickups to help you along the way. The goal of the game is to reach the end of each level with at least one of your 3 units still alive in each of the 9 levels.

"Call of Duty: United Offensive" is an expansion pack for the original "Call of Duty" (2003), developed by Gray Matter Interactive and published by Activision. Building on the intense World War II combat of the base game, "United Offensive" introduces new campaigns that expand the player's experience of the European Theater. Players take on the roles of American, British, and Soviet soldiers in three new interconnected campaigns, participating in iconic battles such as the Battle of the Bulge, the invasion of Sicily, and the struggle for Kharkov. The expansion features enhanced gameplay with new weapons, vehicles, and multiplayer modes, adding depth and variety to the combat experience. "United Offensive" is praised for its larger, more dynamic battlefields and its focus on teamwork and strategy. With improved graphics and sound design, it delivers a gripping and immersive wartime experience, making it a compelling addition to the "Call of Duty" series.