The iPhone revolutionized gaming through multitouch, but the iPad provided a larger canvas and power for fully immersive and expansive experiences. Apple\u2019s tablet remains a powerful, engaging gaming device, whether you delve into innovative touchscreen games, or use a controller for a more console-style experience. Whatever you prefer, the very best games are found in our lists. Check back weekly for our latest favorite. iPad game of the week: Kingdom Rush: Vengeance ($4.99/\u00a34.99/AU$7.99) Kingdom Rush: Vengeance is the latest iteration of the best tower-defense game on mobile. This time, you get to play bad guy Vez\u2019nan \u2013 a wizard tired of getting repeatedly beaten, and determined to conquer the kingdom. How conquest and tower defense align is hard to say, but it makes for a great game. As ever, you drop towers in pre-defined spots, unleash special powers, and send a mighty hero into the fray for ad hoc smashing. Like other entries in the Kingdom Rush series, Vengeance looks great, is finely balanced, and keeps things interesting with new surprises. There is one bad surprise, though, in IAP stinking up the place a bit. However, have patience, learn from your mistakes, and avoid temptation, and you\u2019ll find there\u2019s no need to pay more \u2013 right through to Vez\u2019nan\u2019s final victory.