Graviton Game is a 2D platformer game made in Unity 3D engine using C# scripting. It is a single player platformer game where the player can freely use gravitation to change their orientation and environment. Basically, the player can guide an avatar or player character to jump between suspended platforms and/or over obstacles while changing the gravitational orientation to advance the game. Other acrobatic maneuvers may factor into the gameplay as well, such as swinging, bouncing or hovering. The enemy of the game is a user implemented AI meaning the enemy behaviors and movements are maintained by the algorithm written by the developer. It was based on mechanics of games such as Super Mario Bros., Limbo (the last level). Making a game of platform genre that has engaging premise was the objective of the project. The game has been described thoroughly in this document including the major classes. The functional and non-functional requirements are given. The system design is explained. Class diagram and state diagram give a general picture of the working mechanics of the game. Corrective maintenance of the game will be carried out.