Tond-o-Tiz is a fast mental-maths game for primary school, grades 1 to 6. The question sits at the top and the child taps the right answer before the time bar empties; answers in a row score more.

• 136 levels across six grades, each following that grade's math book

• Grades 1–2: number bonds, adding and subtracting to 10 and 20, doubles and halves

• Grades 3–4: times tables and division

• Grade 5: multiplying and dividing decimals by 10 and 100

• Grade 6: mental percentages

• Time only affects the stars; every child can reach the end of a level

• The child picks their own grade at the start

• A Persian narrator reads every instruction aloud

• Mistakes are never punished; the child is encouraged and carries on

• Works offline after install

About the first 40% of each grade is free forever, 56 of 136 levels. The full game is a one-time purchase of 99,000 Toman, no subscription, and counts toward Nikipoo School later. It is one of the 44 games in Nikipoo School.