make a survival game, you have to build your house to defend yourself from zombies and skeletons by chopping wood.And there should be different classes, like the undead class, and the bower class, and different weapons, you can choose what weapons by making a crafter. the mobs would spawn from caves
MAke a game Where you are a astronaut that discovers that our planet is in danger so he Goes in a space adventure to stop lingual drogadicto the monte of neptune