In a futuristic setting, the player navigates a door-based portal system, using a device to travel through space.
The player must use the portal gun to traverse through increasingly complex levels, solving puzzles to reach the exit. The main challenge is to create portals to transport a test subject to a exit portal, while avoiding obstacles and unsafe environments.
The game is played in the browser, no download or registration is required. The player's goal is to successfully navigate through each level, testing the abilities of the newly created portal technology.