Mine red stone and avoid the TNT and zombies. You can lead zombies to TNT to explode them. You can upgrade the amount of gems you get when you press 1 and have 50 diamonds. You can upgrade the amount of ores that appear by pressing 2 when you have 50 amethyst. You can upgrade to amount of life you have by pressing 3 when you have 200 emeralds.
Have fun!
