Yes, but not like you think. You'll find many "Call of War" mods online, but they are almost always modifications for other games like or Call of Duty: World at War that share similar WWII themes. These are not applicable to the core Call of War browser game. The official game evolves through developer updates, not user-made mods.
Would you like a detailed guide on one of those instead? For example, how to do a Day 2 heavy tank rush or how to use spies to paralyze an enemy coalition. call of war world war 2 cheats
Since there are no secret codes to type in for free tanks, the real "cheating" comes down to outsmarting the system and using game mechanics to their full potential. The Power of Diplomacy (The Ultimate "Cheat") Yes, but not like you think