Hold S and click to place blocks. Just click to destroy them. Press Right Arrow to switch selected blocks. Press 1-3 to switch tools. Read the command info, then click. Default difficulty is easy. Spiders will not spawn in easy, however. Right now only I can use commands, but I will make a game menu allowing it for all later.
Updates: Skeletons half implemented Bugs: Planned: Skeletons natrually spawning More mobs! (Maybe chickens) Items? Credit to: Mojang, because they made Minecraft. The Scratch team, because they made scratch, I wouldn't have had this without them. Other Notes: Probably my most successful project.