Age Rating
4+
Apps in this category do not contain restricted content.
9+
Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.
12+
Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.
17+
You must be at least 17 years old to access this App.
Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.
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About +-1

New! 100 levels of great puzzle! Numerical solitaire.
Only in the App Store!

GAME RULES
Each chip in the game has a numeric value.
Place your chips on the free squares of the playing field according to one of the rules:
- there are no other chips on the adjacent cells.
or
- one of the chips on the next cell has a value greater than 1 or less than 1.

Neighboring cells are adjacent cells vertically and horizontally.
A chip placed on the playing field cannot be moved!

THE HINTS IN THE GAME:
- Sight-a possible place to install the chip.

BONUSES.
You can earn coins in the game.

Coin-free game currency in the game. You can use coins to open the next levels and buy lives.

SUPERGAME
If you have collected a set number of coins,you are invited to play a SUPER GAME.
In a SUPER GAME, the chips fall from top to bottom. The number of the upper chip must differ from the lower one by 1. the Playing field can be rotated.

Facebook: https://www.facebook.com/Studiofant1

Program is written on "smart BASIC" for iOS programming language and is published in App Store using "smart BASIC" SDK for Xcode.
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What's New in the Latest Version 2.0

Last updated on May 13, 2020
Old Versions
The game is completely redesigned.
Improve design. Added prizes and bonuses. 
Improved SUPER GAME mode.
In a SUPER GAME, the chips fall from top to bottom. The number of upper chips must differ from the lower one by 1. The playing field can be rotated.
Show More
Version History
2.0
May 13, 2020
The game is completely redesigned.
Improve design. Added prizes and bonuses. 
Improved SUPER GAME mode.
In a SUPER GAME, the chips fall from top to bottom. The number of upper chips must differ from the lower one by 1. The playing field can be rotated.
1.0
Aug 15, 2015

+-1 Price

Today:
$1.99
Lowest:
$0.99
Highest:
$2.99

+-1 FAQ

Click here to learn how to download +-1 in restricted country or region.
Check the following list to see the minimum requirements of +-1.
iPhone
iPad
+-1 supports English, Russian

+-1 Alternative

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