Sumdrop

One number puzzle a day.
Same for everyone.

Drop numbers from the grid until every row and column adds up to its target. Takes 1–5 minutes. Share your time — no spoilers.

▶ Play today's puzzle

How to play

Each row has a target on the right; each column has one underneath. Tap a number to drop it. When the numbers left in every row and column hit their targets, you've solved it. Every puzzle has exactly one solution.

3
5
2
7

Drop the 3: 5 + 2 = 7 ✔

Brag without spoilers

Sumdrop #12 🟡 5×5
⏱ 1:23  🔥7
🟩🟩🟩🟩🟩
playsumdrop.com

Sumdrop Members — $2.99/mo or $19/yr

Two bonus puzzles every day (Easy 4×4 and Hard 6×6), the full archive, two streak freezes a month, a "reveal today's answer" button after 3 minutes, and no ads.

FAQ

When does the new puzzle come out?

Midnight US Eastern Time, every day, for everyone.

Where's yesterday's answer?

Under today's board, as soon as the new puzzle is live.

Do I need an account?

No. Your streak and stats are saved in your browser.

Is it a math test?

Only addition — it's a logic puzzle that happens to use numbers.