GAME GRAVE is made by splicing GAME BLOCK and TOMBSTONE. GAME GRAVE belongs to signs category. Plant and forget.. It will be ready some day. Good for hogging some experience if it is farmable. Hitting it will break it but you need to count the hits yourself. By default you should get at least 1 seed back. Will you strike it rich? You just have to count the gems yourself. Massproducing GAME GRAVE can be tricky. You will find out after you have harvested a few.