Meganum is a free Android puzzle game that combines relaxation and challenge through various math-based puzzles. Players can explore six different categories, including addition, multiplication, subtraction, division, combination, and binary. The game offers four distinct modes—casual, expert, timed, and endless—allowing users to choose their preferred level of difficulty. Additionally, players can customize their experience by selecting the number range and board size for each puzzle.

The game features an infinite number of puzzles generated randomly in Endless Mode, providing ongoing engagement. Players can also unlock and collect eight unique themes, enhancing the visual appeal during gameplay. With useful gameplay features such as hints, undo options, and the ability to save and load board states, Meganum caters to both casual gamers and math enthusiasts alike.