If you haven’t heard of the Kingdom Rush series, then you have missed out on some great tower defence games. Don’t worry if tower defence games aren’t your thing, because Iron Marines adds a touch more strategy to the balance.
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Iron Marines is a strategy game with a lengthy campaign and a ton of units to unlock. If you are interested in Iron Marines, then follow this link to the Google Play Store.
Kingdom Rush Frontiers is the second tower defence game to hit our mobiles and is a good place to start if you want to play them all. Follow this link to the Google Play Store.
Kingdom Rush Origins is the third of the series and is a prequel. This takes you back to how the tower defence wars started, back when elves ruled over all. Click this link to get a copy from the Google Play Store.
Kingdom Rush Vengeance is the latest of the tower defence series and brings the most to the table. It costs the most out of all the discounted games, so maybe try the other games first. Follow this link to get it from the Google Play Store.