+-sometimes0 app for iPhone and iPad

4.2 ( 7472 ratings )

Games Action
Developer: TSUTOMU HAYAMA

Free

Current version: 1.2.0, last update: 7 years ago
First release : 20 May 2015
App size: 18.29 Mb

+ -sometimes0 (+ - sometimes 0) is a calculated game.
By calculation result +, -, we will continue to answer by tapping 0.

Lets take a quick answer.

Also I is compatible with Game Center.

As you clear the QUEST opens new STAGE.
STAGE until 1-9! Will become more and more high mental arithmetic degree of difficulty.
If it is not master of mental arithmetic to the last STAGE will not Tadoritsuka.
Wonder if you can go to where?