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Zero Sum: Subtraction Logic Puzzle Game

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This is a 20-stage educational logic puzzle game which is a fun way to practice subtraction.

  • Drag tiles from the sides over the tiles in the middle of the screen to reduce their values.
  • When the tiles in the center are exactly zero they will show a checkmark.
  • Get all tiles to zero and advance to the next level.





Play Zero Sum Game Online

Children and parents can play this mathematics game by clicking in the window below.

Alternatively kids and adults can play this math puzzle video game for free as a web application here.

Zero Sum Math Game for Kids Game Play Instructions

How to Play

Slide the negative number blocks from either side atop those in the center to get the center squares to each equal zero.

  • Starting the Game
    • Click on the yellow button in the bottom center of the welcome screen to start the game.
      • This will bring up the level select screen featuring 20 levels.
      • Initially only the first level will be available & you unlock subsequent levels as you beat each level.
      • Your web browser automatically saves your level progress.
  • Game Controls
    • Desktop
      • Use your mouse left click button to select tiles, drag them into position, and release.
    • Touchscreen devices
      • Touch the finger with your screen to use it like a mouse.
    • Within the levels there are 4 buttons across the top: game menu, restart game, how to play, and sound control.
    • The current level is shown in the to center of the screen.
  • Game Play
    • Game Basics
      • Drag the tiles from the sides over the tiles in the center of the screen.
      • Your goal is to get each tile in the center of the screen to exactly zero by adding the other tiles to them.
      • If tiles overlap a blank space those tiles disappear.
      • If a tile value is set to zero it will show a checkmark.
      • You can’t beat the levels if any tiles remain with a value above zero or go down through zero.
    • Game Strategy
      • The early levels are quite straightforward, though as you advance through the game some times require matching multiple sets of tiles over the top of them.
      • One of the best ways to solve more complicated puzzles is to look at whatever cells in the center of the game have the highest values and try to figure out what combinations of placements help you get rid of those.
    • Dying
      • If you place a tile in the wrong position you lose the level.
      • You can repeat levels an unlimited number of times.
  • Target Audience
    • The game is suited for people who like math and puzzle games.
    • The game has no adult content.

Like This Game? Review This Math Logic Puzzle Video Game for Young Girls & Boys

Zero Sum: Subtraction Logic Puzzle Game
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Free Online Zero Sum Math Game for Children & Adults Screenshots

Zero Sum Game Welcome Screen Screenshot.
Zero Sum Game Instructions Screen Screenshot.
Zero Sum Game Level Select Screen Screenshot.
Zero Sum Game Screenshot.
Zero Sum Game Last Piece Screenshot.
Zero Sum Game Level Beat Screenshot.
Zero Sum Game Beat Screenshot.

Mobile Friendly Cross Browser Support

This game is rendered in mobile-friendly HTML5, so it offers cross-device gameplay. You can play it on mobile devices like Apple iPhones, Google Android powered cell phones from manufactures like Samsung, tablets like the iPad or Kindle Fire, laptops, and Windows-powered desktop computers. All game files are stored locally in your web browser cache. This game works in Apple Safari, Google Chrome, Microsoft Edge, Mozilla Firefox, Opera and other modern web browsers.

Where To? What Next?

This game was published in these categories: Logic, Neon, Subtraction. You can visit any of them to select other fun games to play.

Our site hosts thousands of free online games. Check out the newest additions to our library or play a random game!

This game was published using our teamwide account. If you have any comments, questions, concerns, or others (are there others even???) you can use the comments below to send along your 2 cents and help us improve the site further :) Your 2 cents plus 3 cents will buy you a nickel, but if your comments are genuinely useful and/or helpful and/or funny and/or memorable in a good way, we will probably say thanks :D

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