Corner Sums

Corner Sums is a quiet number puzzle. Combine two numbers using addition, subtraction, multiplication or division, and reach the target in as few operations as possible. Explore 80 levels across eight worlds, with new rules including waypoints, limited operations, forbidden values and reusable anchors. Return for a daily puzzle, build your streak and share your result without revealing the solution. Play by dragging or tapping. Undo, restart and hints help you find your way. Corner Sums works offline, saves progress on your device and offers English and Spanish, light and dark appearance, sound and haptics. No account, ads or tracking.