Keisan Game: Sansuu 3-nen

Keisan Game: Sansuu 3 Nen is an educational game centered on division and multiplication problems. It includes four mini-games that present mathematics challenges through submarine piloting, jet-pack flight, building exploration, and an overhead driving maze.

Mini-Games

• Division 1: Pilot a submarine into the correct answer while avoiding demolitions dropped from a ship.
• Multiplication 1: Fly a jet pack through outer space to the number that solves the problem while dodging flying saucers.
• Division 2: Run through a multi-floored building, selecting numbers that complete a division problem while avoiding a monster on each floor.
• Multiplication 2: Drive through a maze, reveal numbers in empty boxes, and choose the correct multiplication answer while avoiding other cars.

Each mini-game has two difficulty levels and supports alternating two-player play. The game was released for Family Computer and Nintendo Famicom on April 25, 1986, and was developed and published by Tokyo Shoseki.