100 Squares Calc -Time Attack- is an educational game for Android developed by be-style. The game consists of solving mathematical operations from top to bottom in a grid of 100 squares. As soon as you submit your answer, it is scored, and the time taken to fill in all the squares is recorded.

The game has four modes: Addition, Subtraction, Multiplication, and 4 operations (Addition, Subtraction, Multiplication, and Division). The game also features four keyboard types: Phone, Calculator, Graph mode to confirm the history of your records, and a limited answer mode (more than 0 only) for the subtraction mode.

The game also features several mini-games, such as Touch Practice, Answer Number, How many?, Analog Clock, Kraepelin, Rock, Paper, Scissors, Fill Spaces, Touch in Order, and more, updated in December 2021.

Overall, 100 Squares Calc -Time Attack- is an excellent educational game for Android that helps improve mathematical skills while having fun.