Any online war games that are free?

Yes, there are several free online war games available. Popular options include "Warframe," a cooperative third-person shooter with a sci-fi setting, and "World of Tanks," which focuses on armored warfare. "Call of Duty: Warzone" is also a free battle royale game set in the Call of Duty universe. Additionally, "Planetside 2" offers large-scale multiplayer battles in a persistent world.