Rescue Helicopter is a number-grid game for primary school, grades 1 to 6. An instruction like "one more than 14" sits at the top and the child taps the right square on the number grid; the helicopter flies over it and lifts a friend to safety. A wrong tap brings a hint from the grid itself.

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

• Grade 1: finding numbers to 10, 20, 50 and 99, one more and one less, the number between

• Grade 2: the hundred square, ten more and ten less, numbers to 200

• Grade 3: three- and four-digit numbers, a hundred more and less, times tables

• Grade 4: four- and five-digit numbers, a thousand more and less, multiplication and division

• Grade 5: numbers to a million, decimals in tenths and hundredths

• Grade 6: millions, rounding whole numbers and decimals, multiplying and dividing decimals

• 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, 63 of 151 levels. The free version shows child-appropriate ads: only between levels on the result screen, and banners outside gameplay. The full game is a one-time purchase of 99,000 Toman, no subscription; it removes all ads and counts toward Nikipoo School later. It is one of the 44 games in Nikipoo School.