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Casual
Sum Master
Sum Master is an engaging and challenging number puzzle game designed to enhance your mental arithmetic and logical reasoning skills.
4.220k plays
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About Sum Master
Sum Master is an engaging and challenging number puzzle game designed to enhance your mental arithmetic and logical reasoning skills. The objective is to select numbers within a grid so that the sums of each row, column, and colored region match the specified targets. Each puzzle has a unique solution, requiring players to carefully consider which numbers to include or exclude. The game offers a stimulating experience that combines fun with educational value.
Fans of casual will feel at home, and the puzzle elements give it extra range. Pick it up for a short break or settle in for a while — it runs well on phone, tablet, and desktop alike.
If you want to do well, keep this in mind: When you are stuck, undo the last move and look at the board again instead of forcing a fix. Work from the corners and edges inward — they usually have the fewest possible solutions.
Jump into Sum Master free on Glaze Games and see how far you can get. No paywall, no install — just open it and play.
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How to play Sum Master
Sum Master is a free puzzle game you can play right here in the browser — no download, no signup. Press Play and start solving.
- 1Press the green Play button above to launch Sum Master in the embedded player.
- 2The game loads in a moment — most titles are under 10 MB and start within about five seconds on a normal connection.
- 3Follow the in-game tutorial if it appears; most puzzle games introduce the controls in the first level.
- 4Give the game window a click first so it registers your keys and taps, then dive in.
Frequently asked questions
Is Sum Master free to play?
Yes. Sum Master is 100% free to play on Glaze Games — no purchase, no signup, and no trial period. It runs directly in your browser and stays free as long as the original publisher keeps it available.
Do I need to download anything to play Sum Master?
Not at all. Sum Master is a browser game, so there's no download and no setup. Click Play and it loads on the spot.
Can I play Sum Master on my phone?
Yes — Sum Master is built for portrait phone screens and works great on mobile. It also runs fine on tablets and laptops in any modern browser.
Is Sum Master safe to play at school?
Sum Master loads from a reputable publisher and runs through Glaze Games' filtered catalog, so it's a safer alternative to random "unblocked games" sites. Whether it works depends on your school's network — if standard game domains are open, Sum Master will load.
Where can I find more games like Sum Master?
Once you've finished Sum Master, scroll down to the "More games like this" section — we surface similar titles from the same category. You can also browse the full catalog by genre from the home page.
Player reviews for Sum Master
Community verdict
13 reviewsPlayer reviews
Surprisingly polished for a browser game — Sum Master really impressed me.Riley T
Fun idea — wish the controls in Sum Master were a touch more responsive.
Sum Master runs great on my phone and my laptop. Love it.
Fun pick-up-and-play — Sum Master has about the right difficulty.
Can't stop playing Sum Master. Instant classic.
Sum Master runs great on mobile too. Nearly perfect.
Surprisingly polished for a browser game — Sum Master really impressed me.
Sum Master is good for a quick go. Wanted a bit more depth.
Enjoyable and easy to pick up. Sum Master lost a star for the odd ad.
Sum Master is nice and smooth; a leaderboard would make it even better.
Whole friend group is on Sum Master now. Best casual find this week.
Sum Master is genuinely one of my favorite casual games on here right now.
Sum Master is a solid casual pick. Good for killing ten minutes.
Solid game — Sum Master gets a little repetitive but I keep coming back.
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