About Duotrace

Duotrace asks you to trace every line in a shape exactly twice without lifting your finger, and that simple twist turns into a surprisingly tricky puzzle. Each level presents a connected network of dots and lines – your job is to find the one correct path that covers every segment twice. Early puzzles feel straightforward, but soon the shapes tangle into knots that demand real planning. You can't just follow your instinct; you need to think several moves ahead, spotting which routes will trap you and which leave an escape. The satisfaction when you finally see the solution is instant and rewarding. If you get stuck, a hint system (with limited free uses or short ad-watched hints) can nudge you forward. Duotrace works perfectly on Poki Games for a quick mental workout or a longer puzzle session – the levels scale smoothly, so you're always learning without feeling overwhelmed. Anyone who enjoys spatial reasoning or clean, focused brain teasers will find this one hard to put down.

How to play Duotrace

Mouse / Tap – select the next connected dot to draw a line
Pause button – pause or resume
Reset button – restart the current level
Hint button – use a free hint or watch an ad for extra help