8 terminate after <n> frames
11 terminate after <t> milliseconds
14 terminate after n frames, assume <t> milliseconds pass each frame
17 use <seed> (unsigned integer) as the world seed. default is 0
23 Move around with WSAD, shift, and space, look around with mouse motion.
24 Mouse button 1 deletes the block you're pointing at, button 2 selects it
25 as the active block, and button 3 places the active block next to the one
28 As an alternative to picking, you can also use the mousewheel up/down to
29 flip through available blocks.
31 Q changes the face of the active block (loops over up, down, right, left,
32 front, and back) and E changes the turn (none, left, around, and right).
34 Pressing B prints details about the block you're pointing at and P prints
35 info about the active block. L spits out the player position and light