AgeOfBattle is a free online castle battle game where you command waves of soldiers to push through enemy defenses and destroy their stronghold. The core mechanic is straightforward but satisfying: send troops across the battlefield, take down enemy soldiers, and collect gold coins from every kill. That gold is your key to progression, letting you recruit stronger, higher-ranked units who hit harder and survive longer under fire.

The upgrade system is what keeps AgeOfBattle addictive. Early rounds rely on basic infantry, but smart players save their coins and invest in elite troops as fast as possible. Timing your troop deployments matters too — flooding the field with cheap soldiers early can soften enemy lines before you drop your heaviest hitters. Each rank upgrade feels like a genuine power spike, and watching a high-level soldier tear through a defensive line never gets old. The hypercasual format means rounds are short, but the strategy runs deeper than it looks.

AgeOfBattle is a great pick for fans of 1-player action games, castle defense titles, and quick strategy games you can play during a break. If you enjoy browser-based army battle games, troop upgrade games, or hypercasual war games with no download required, this one belongs in your rotation. Search terms like 'free castle attack game online', 'send troops battle game', and 'gold coin upgrade soldier game' all lead here — and once you start, you'll understand why players keep coming back.