Brain power is needed to protect your castle in this exciting game. ravel back in time to days of old when knights were bold, and castles dotted the land. But can you build a castle that will be secure and strong enough to keep your blue knights safe from the invading enemy red knights? That's the challenge in Walls & Warriors, an engaging and intriguing single-player puzzle game. First, place your blue knights, the enemy red knights, and the blue-roofed tall twin-towered castle keep on the game board in the positions indicated on the Challenge card in the challenge booklet.