This kids' game provides mental addition practice and offers positive and negative numbers. It allows for 1-2 players with varying difficulty levels and has a straightforward interface based on TicTacToe rules.

Moreover, this game offers a two-player option that allows parents to join in on the learning experience. In situations where parents are unavailable, children can challenge the computer to try and surpass their high score.
There are also multiple difficulty levels available, including optional negative numbers. The software has been designed with a simple interface and easy-to-understand Tic Tac Toe-based rules, so even young children can play without difficulty.
To sum up, our software is an excellent tool to help children improve their mental addition skills and can be used by parents as a fun way to spend quality time with their kids. The software is also highly customizable and is suitable for kids of all ages and skill levels.
Version 2.10: Fixed various small bugs throughout program.
Version 2.01: N/A