-Use the arrow keys to move Steve -press space bar to swing your sword at incoming mobs or throw a splash potion -press "c" to chat -press "d" to delete all dirt blocks on screen -press "i" to open inventory -press "a" to close inventory -click anywhere to place a dirt block or send and arrow to the desired place -press 1 to switch to dirt block -press 2 to switch to iron sword -press 3 to switch to splash potion of harming -press 4 to switch to bow and arrow -press n to go to the Nether -press m to exit the Nether -NEW:Making houses-Since there are monsters I decided that you can build houses. A zombie can't pass through a dirt block like you do, but it can spawn inside of your house.