A stained-glass ball-and-paddle game whose wall is a times table. Eight shattered tiles charge the paddle; press it and four runes rise carrying the answers to one problem — and one power-up each, so knowing the table means seeing which power you are about to get.
The pack suggests age 7 and up. The difficulty itself follows the player, not the age.

MOSAIC draws its questions from these parts of the curriculum. Which of them a player sees, and how hard the questions are, follows the player.