I have a second-grade son who loves cats. We often spend time on his homework, and to improve his arithmetic skills, I created this game!

This game provides the fun and variety of arithmetic. Besides addition, subtraction, multiplication, and division, it also helps him to increase his mental calculation speed to pass the levels. Many times, my son calculates faster than I do because he wants to pass the levels quicker.

Gameplay:

After entering a match, look at the numbers in the circles behind the enemy on the right. Those three numbers (or two or one) are the answers you need to solve. The boxes below are for constructing your equation. Choose the numbers you need from the left and form a complete equation to answer correctly and make the opponent lose a heart.

For example, if you see the number 9 behind the enemy on the right, change the first box below to + (addition), then select 3 and 6 from the left and place them in the first and second number slots below to form the equation 3 + 6. After that, press = (equals) on the right to answer. If correct, the equation and answer will be recorded in the table on the right. You can also use other numbers to make the answer 9, such as 2 + 7, 4 + 5, etc. If the number is too large, you may need to switch to multiplication and use the third number slot to calculate.

• There are 23 unique opponents
  
• Each opponent has their own exclusive dialogue and storyline
  
• The final seven opponents have special abilities
  
• There are five major skills to help you face stronger opponents
  
• After passing levels, there is a free mode where you can challenge a few problems anytime, anywhere
  
• Many anonymous leaderboards
  
• Easily practice mental arithmetic anytime, anywhere, and improve your mental calculation speed.
  
• Experience the thrill of completing five problems against an opponent for an even greater sense of achievement.

The following is a description of the skills of the game protagonist: