- Play a Tetris-style game with a twist
- Learn addition in a fun way
- Compete on the global leaderboards

This is Ads free version.
**New Release Notes**
V2.1
- Fixed a bug on some rare occations cause game crash while blocks are removed.
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Game rule is simple: Numbers fall like tetris bricks, some can be removed if they sum up to a given number and they are next to each other on a same row.

Seems easy, but may be a bit challenge after you level up, since numbers will fall faster and faster ^_^

Global scoreboard is provided, compete with people all over the world! Top scorer gets the title "Sum God"!

Local statistics are also provided.

It's a fun game to play; It also helps your math skill while having fun!

Provides 3 Game Mode:
Marathon: Number to sum changes every level up, numbers fall faster every level up.
Time: Limited Time, number to sum changes, numbers also fall faster as game goes.
Forever 10: Number to sum is always 10, numbers fall faster after level up.

Keywords: Kids, Educational, Child, Children, Games, Sum, Math, School, Numbers, Count, Add

!!!If you are seeing issues, please shoot me an email [email protected] with your device type and details about the issues you are having. I wll try my best to fix it as soon as possible. Thanks and please understand that there are too many android devices, there could be bugs on some.

Recent changes:
- Fixed a bug on some rare occations cause game crash while blocks are removed.

Previous updates:
- Added Visual Effect for removing blocks.
- Added Visual Effect for scoring.
- Allow adjust touch sensitivity, volumns in the pause menu.
- Adjusted random number generator so numbers come out more reasonable.