What's New

A few small improvements, plus preparations for the next big update coming soon with new shapes and challenges.

Curious? Sign up as an early access tester and try it out before everyone else!

App Description

Sum Fun, the puzzle game that builds your number and strategy skills! Enjoyed by both kids and adults around the world.

We’ve been busy expanding the game designs! Test your number skills in more creative ways with nine challenging modes:

• Square • Pyramid • Football • Flappy • Heart • Robot • Invader • Ghost • Turtle •

Sum Fun is –

• Easy to play
-- No time pressure – just good ol’ puzzling and problem solving. Take a number and place it into an empty square. If it matches the last digit of the sum of it’s neighbours, they’ll get blasted away. Try to empty all the squares in as few moves as possible!

• Fun to master
-- Uncover the strategies needed to get the best scores. Can’t find a place to put any of the pieces? Plan ahead by placing numbers to set up a sum for a future move.

• Fun with friends
-- Send challenges through messages or Airdrop and see who can finish the game with the fewest moves!

• Endless variety
-- Each game is created randomly – no two games are alike! Choose from nine different designs and find the strategies to solve each one!

Have Sum Fun, and exercise your mind!

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“ It’s a solid math game, one that brings in interesting gameplay ideas and which has a stellar execution ”
– AppGames.net: 9 / 10

“ By the time your kids have played with this app a few times, they’ll be adding up the numbers faster than you can say, ‘What’s six plus eight?’ ”
– Fun2Tap: 5 / 5

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iPhone Screenshots

(click to enlarge)

Sum Fun – Number Strategy Game screenshot 1 Sum Fun – Number Strategy Game screenshot 2 Sum Fun – Number Strategy Game screenshot 3 Sum Fun – Number Strategy Game screenshot 4 Sum Fun – Number Strategy Game screenshot 5

iPad Screenshots

(click to enlarge)

Sum Fun – Number Strategy Game screenshot 6 Sum Fun – Number Strategy Game screenshot 7 Sum Fun – Number Strategy Game screenshot 8 Sum Fun – Number Strategy Game screenshot 9 Sum Fun – Number Strategy Game screenshot 10

App Changes

  • June 13, 2014 Initial release
  • September 16, 2014 New version 1.1.2
  • April 16, 2015 Price increase: FREE! -> $0.99
  • April 29, 2015 Price decrease: $0.99 -> FREE!
  • June 29, 2015 Price increase: FREE! -> $1.99
  • July 01, 2015 Price decrease: $1.99 -> FREE!
  • July 02, 2015 New version 1.2
  • August 25, 2015 Price increase: FREE! -> $1.99
  • August 30, 2015 Price decrease: $1.99 -> FREE!
  • July 07, 2016 Price increase: FREE! -> $1.99
  • July 09, 2016 Price decrease: $1.99 -> $0.99
  • July 12, 2016 Price decrease: $0.99 -> FREE!
  • July 14, 2016 New version 1.3
  • November 07, 2016 New version 1.4
  • June 14, 2019 New version 1.6
  • July 02, 2019 New version 1.7
  • August 28, 2019 New version 1.7.2

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