Opus Magnum is a Puzzle, Programming, and Single-player video game developed and published by Zachtronics. The game comes with the unique gameplay that players have never experienced before. It enables the player to assemble the machine using different program and tools to complete alchemy-related tasks. During the gameplay, the player can produce any working solution to each problem to advance through the game but is challenged through leaderboards to create a machine that accomplishes the objectives in the shortest time, with the low cost of materials. In the game, the player takes on the role of the protagonist, an alchemist who requires to create the products by exploring the atoms of base alchemy elements through the device he created within the transmutation engine. The engine of the game is represented in the form of hex grid which the player arranges different manipulation tools and program to advance. There are manipulators available, the mechanical hand which the player can use to pick up and drop atoms and to rotate structures around the specific point. Rick Storyline, Open-ended Puzzles, Design Machines, etc. are core features.