Sum Duo cover art
Brain Logic Quick Focus 1–2 min

Sum Duo

Pick two numbers that add up to the target.

Sum Duo gameplay screenshot
Real in-game screenshot · tap to play

How to play Sum Duo

  1. A target sum appears at the top.
  2. Tap two numbers on the board that add up to it.
  3. Correct pairs raise your streak and score.
  4. Three wrong pairs end the round.

Good to know

  • Free and instant: runs in your browser on phone, tablet or desktop — nothing to install.
  • Session length: about 1–2 min per round, perfect for a short break.
  • Progress saves automatically in this browser: best scores, missions and favorites.

Start playing Sum Duo or browse all Play Hub games.

Today Puzzle: Brain Games app icon

Play Sum Duo offline on Android

Sum Duo is part of Today Puzzle: Brain Games, our free Android app — no Wi-Fi needed, with daily puzzles and check-in rewards.

Get it on Google Play