PeZBOT is a multiplayer bot-mod for Call of Duty 4 and World at War. The aim of the mod is to introduce relatively life-like A.I. to local multiplayer games so those who choose not to go online or prefer to practice against bots before doing so, can. play call of duty 4 modern warefare 1 multiplayer with yourself. for this u have to download the below link Download: click here copy the file and paste it to 'mods' folder . open the multiplayer game then change the mods to pezbot start a new server after entering the game press 'B'and then '4' there u can add bots and u can change settings