8 terminate after <n> frames
11 terminate after <t> milliseconds
14 terminate after n frames, assume <t> milliseconds pass each frame
20 disable double buffering
23 set sample size to <num> (samples per pixel)
32 disable keyboard input handling
35 disable mouse input handling
38 disable HUD drawing (includes the selected block outline)
44 use <seed> (unsigned integer) as the world seed. default is 0
50 Move around with WSAD, shift, and space, look around with mouse motion.
51 Mouse button 1 deletes the block you're pointing at, button 2 selects it
52 as the active block, and button 3 places the active block next to the one
55 As an alternative to picking, you can also use the mousewheel up/down to
56 flip through available blocks.
58 Q changes the face of the active block (loops over up, down, right, left,
59 front, and back) and E changes the turn (none, left, around, and right).
61 Pressing B prints details about the block you're pointing at and P prints
62 info about the active block. L spits out the player position and light
63 level there. C dumps info about the chunk of the pointed at block.
65 Press N to toggle player/world collision.