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Planet's Edge is a 1992 space science fiction role playing video game developed by New World Computing with Eric Hyman as the lead designer. The game's plot centers on investigating the sudden disappearance of planet Earth, by venturing out into the universe from a Moon base. There are two main play modes: real time exploration and combat using various spacecraft, and turn based exploration, problem solving, and combat on the surface of dozens of planets. The game features a variety of objects, weapons, and missions, though it lacks any detailed experience or stats system for the four characters the player controls.

Just prior to the start of the game, a mysterious alien spaceship approaches the Earth to conduct an experiment which goes terribly wrong and causes the Earth to disappear into a wormhole trap. A scientific research team based on the Moon determines that the only way to bring the Earth and all its inhabitants back involves recreating this failed experiment, but experimental apparatus, called the Centauri Drive, has been destroyed in this accident. Nonetheless, Moonbase scientists are able to salvage enough technology from the wrecked alien craft to construct their own rudimentary spaceship. A four member scientific team commanded by the player is put together to find and obtain the parts necessary to rebuild the Centauri Drive and thereby save the Earth. This is the primary goal of the game. The story begins in the Solar System, but the fictional setting encompasses over a hundred stars and their associated planets and civilizations in the surrounding galaxy. The game world divides the interstellar space surrounding the Sun into eight sectors characterized by particular alien civilizations possessing varying degrees of technological sophistication. Each of the eight sectors is associated with a particular subplot which must be solved in order to gain access to each of the eight pieces necessary to complete the construction of the Centauri Drive.

The game begins on Moonbase with the player in command of a spaceship crewed by a four member scientific team. Here the player has the options of allocating available resources to the construction of new spaceships, weapons or other items, or of cloning crew members. Cloning randomly changes the statistical values assigned to the attributes and skills of the four team members commanded by the player; it does not change their identities. These statistics remain constant throughout the game unless the team members are subsequently re cloned. Once a spaceship has been outfitted and launched, the player controls it in real time from an overhead, third person, perspective by issuing commands to team members selected from a menu. The ship can travel from one solar system to another and can be maneuvered into orbit around various planets. Some planets have useful resources which can be mined from orbit or locations to which the four member team can beam down. Along the way, other alien spaceships may be encountered. Some offer opportunities for trade or obtaining information, but others have piratical or hostile intentions. If combat ensues, it is resolved in an action sequence similar to that found in Starflight or Star Control

An important aspect of gameplay involves mining planets for resources and acquiring new technology for the purpose of constructing more powerful ships, weapons and armor. These items allow the player to venture successfully into the more technologically advanced sectors and obtain all parts necessary to complete the construction of the Centauri Device.