~ Number trio ~

Begin a new game
2x2, numbers up to 10
2x2, numbers up to 20
3x2, numbers up to 20
3x3, numbers up to 40 (difficult)
4x3, numbers up to 70 (very difficult)
4x4, numbers up to 99 (very difficult)

Extra explanation:
The goal of this game is to find three numbers that form a sum together. For example, the numbers 3, 5, and 2, together form the sum: 2+3=5.
At the end, a summary is displayed with all questions and all answers, and the time that was spent on each question.