On Purpose is a 2D platforming puzzle game in which the player takes on the role of a controllable root number and changes the terrain in the setting through the ability to square or square to reach the end point. Over the course of the game, players will gradually learn how to change the terrain using the root number, as well as change the root number to the multiplier to have different effects on the terrain. At the same time, the player can also use a special ability, Rotation, to make the terrain in both horizontal and vertical directions affected by the player. In conclusion, players need to reach the end by thinking and using their abilities wisely.

• “W,A,S,D” to Move
• “Space” to Jump
• “Left Click” card to switch the scale of character
• “R” to rotate the character
• “Backspace” to Replay the level