Master Builder: Minecraft ChallengesIf you're playing Minecraft online with friends, you need this cool new collection of amazing Minecraft challenges! Master Builder: Minecraft Challenges gives you simple, step by step instructions for building amazing arenas, setting up fun quests, and organising server wide games. Difficulty levels range from easy to play games like hide and seek and racing, to fun building challenges, and all the way up to huge epic tasks involving all your friends.