War Brokers is one of the more ambitious browser shooters: alongside the standard team modes it has vehicles — tanks, helicopters, jets — and a battle royale mode, all running in a tab.
The vehicles change the game considerably. A team with a tank controls ground that infantry can't hold, so knowing when to get in one and when to hunt one is a real part of playing well.
Yes — tanks, helicopters and jets, which is unusual for a browser shooter and changes how the maps play.
Yes, alongside the standard team modes.
Yes, though it's the more demanding end of browser shooters — close other tabs on older hardware.