TwentyOne Seconds app for iPhone and iPad

4.9 ( 6059 ratings )

Games Education Educational Puzzle
Developer: Edwin King

Free

Current version: 1.6, last update: 7 years ago
First release : 30 Mar 2014
App size: 2.62 Mb

TwentyOne Seconds is a fast-paced puzzle game.

Race against the clock and clear each increasingly difficult level by adding numbers together to reach your target. Run out of time or overshoot your goal and youll have to start over.