Call of Duty 1 DEViANCE.

Call of Duty's distinguishing features, by and large, can't be considered innovations--that's too strong of a word. However, this is a game that pulls together many of the best aspects of other, similar games, and also includes all sorts of little "wish-list items" that may have crossed your mind while playing those other games. The result seems, above all, very well designed. The action in Call of Duty, ultimately, is arcadelike--much like in Allied Assault or Battlefield 1942. You can't survive a shot to the head, but you can take a few bullets anywhere else and can keep going just fine. There's also a clear onscreen indication of the direction from which you're taking fire (and, as you're getting hit, the screen shudders to make it look like it hurts). Luckily, first aid kits, conveniently placed in the levels or occasionally dropped by killed enemies, instantly restore large portions of your health. You hardly ever need to activate a "use" key in this game. When you do, you'll use it to instantly set explosives or grab documents, but you won't use it for opening doors.

System requirements
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Operating System : XP
Processor : 700 MHz
Video Card : 64 MB
Ram : 256 MB