"cal-coola": Simple brain challenge for all:
▷ 6 numbers, 4 operations... and 1 goal result
▷ Work out the goal result, or a close one
▷ The sooner you solve it, more points you get
Incredibly easy to play:
▷ To calculate: Drag two tiles into +, -, ×, ÷
▷ To undo: Double-tap on the tile
▷ To finish: Drag tile to the target box