W moves you forward.
A strafes left.
D strafes right.
S moves you backwards.
Left mouse click fires a weapon or activates a vehicle.
Right click uses your jets.
Space bar jumps
Left shift crouches.
L turns your light on and off.
B opens the build menu.
T opens the chat dialog. Enter sends chat.
Q opens your tool menu. The scrollwheel changes between tools. Left clicking uses the currently selected tool.
The e key brings out your spray can. Use the scroll wheel to select different paints. Left click to paint.
The number keys at the top of your keyboard switch between different bricks. Left click to place a brick.
Use the numpad to move the brick around. 7 and 9 rotate. 8 moves it forward, 2 moves it backward, 4 and 6 move it left and right. 1 moves the brick down one unit, 3 moves it up one unit. 5 moves the brick down 3 units, + moves it up 3 units. 0 cancels building mode.
Most of these questions would have been answered if you had played through the tutorial.
Ctrl+O will open the options menu where you can change your controls.
