Beat the clock using +, -, ×, ÷, and ( ) to combine four digits to equal ten.
For each game you are given four digits which all must be used in combination with the above operators to produce 10.
Every five games completed successfully in a row brings you to the next level which reduces the amount of time on the clock for you to complete the game.
Max level is level 10 (10 seconds to complete each game).
Simple game inspired by the addictive four digit train carriage number game.