Duotrace's original line puzzle challenges your spatial imagination to solve unusual drawing problems. Carefully draw a continuous line from start to finish, tracing each edge of the geometric structure exactly twice without lifting your finger from the surface of the screen. Calculate the trajectory of movement in advance, avoid dead-end forks and find the only correct sequence of passing through tangled nodes. Unravel the logic of all the intricate schemes and earn game points in Duotrace.
