"cal-coola: Math Brain Game" is a simple brain challenge designed for all users. The game presents players with 6 numbers, 4 operations, and a single goal result to achieve. The objective is to calculate the goal result accurately or come as close as possible to it. Quick solutions yield higher points in this engaging math puzzler.

The gameplay is straightforward and user-friendly:

Players can perform calculations by dragging two tiles into the mathematical operations of addition, subtraction, multiplication, or division. Undoing moves is convenient with a simple double-tap on the tile, and completing the challenge involves dragging the tile to the target box.