Click the picture to grab the mouse. Moving it turns you left and right — it does not tilt your head. Press ESC to let go.
W A S D or the arrow keys walk. Up and down walk forward and back.
Q and E tilt your head up and down, for digging at your feet.
SPACE jump SHIFT run F fly
Hold left click to break a block. Right click to put one back.
1–0 or the mouse wheel picks which block you're holding.
R twice makes a brand new world. It saves by itself.
Swim by holding SPACE underwater. Build a tower and jump off it.