Tip: when a battle is too hard, just wait until they send at the end of a wave a few archers. Don't kill those and build a worker and just repair your wall and wait until the time is 0. When you're worker works to slow send 4-5 foot soldier and keep the archers buzzy for a moment so your worker can keep up
 "GemCraft chapter 0"){kind=icon}
 "SHIFT 4"){kind=icon}
 "Spewer"){kind=icon}
 "Pandemic 2"){kind=icon}
 "The Great Siege"){kind=icon}
 "Age of War"){kind=icon}