1 key for mountains space to change the mountain type a/d to rotate it. Up/ down arrow to change size. 2 key for team 1 units Left/right arrow to change the unit type a/d to rotate it. Up/ down arrow to change size. 3 key for team 2 units Left/right arrow to change the unit type a/d to rotate it. Up/ down arrow to change size. Click to put units down. Z to draw a fin line. Z and X key for eraser. Z and C key for a larger line. E for unit types.