[<IT IS HIGHLY RECOMMENDED YOU READ ALL OF THESE>] Click the Green Flag to begin. Press Space to place a block when in Pen Mode. Click (and release) when in Eraser Mode to remove a block. Press 1 to go to Pen Mode. Press 2 to go to Eraser Mode. Press Up and Down to change your block layer. Press Left and Right to change your block costume. Press the Love and Fave button to do obvious things. Such as Love and Fave this program. =p
Credits to Minecraft for most of the texture ideas. Credits to Scratch for the programming language. Credits to Myself for the program itself.