Yellow Submarine was a prototype coded by an unknown Atari programmer to demonstrate directional control and the ability to move off one side of the screen and reappear on the …
You're actually one of B.A.T. (Bureau of Astral Troubleshooters) sergeants, and a new mission awaits you. Vrangar, a top scientist, and Merigo, a small-time crook, have announced their intention to …
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Galaxian is a 1979 fixed shooter arcade video game developed and published by Namco. The player assumes control of the Galaxip starfighter in its mission to protect Earth from waves …
This is a port of the Atari 2600 platformer by David Crane to the Atari 8-bit computers and the 5200. It's also known for containing a second quest, exclusive to …
An unreleased prototype for the Atari 5200. You take control of goofy as he competes in two events, the Marathon Dive and the Pogo Pop. The Marathon Dive is a …
This unreleased, unfinished Atari 5200 game is similar to Broderbund's famous game, Karateka. Select your black belt level (difficulty level) and fight your way through eight rooms. The keypad is …
Looney Tunes Hotel was a nearly completed video game that was going to be released for the Atari 5200. Players were to play on a set of hotels, but Atari …
In this game, you guide a marker which must draw rectangles and other weird objects in order to claim your territory, and you can either draw these rectangles fast or …
This is the first of a new generation of adventure games from Psygnosis. An adventure game in the classic sense. Your quest begins in your fathers chateau circa 1920. There …
Microgammon SB originally started out as an Apple IIe game. According to programmer Steve Baker, he had originally developed the game for the Apple when he decided to port it …
Barroom Baseball was a prototype game coded by Atari in 1983 for use within Atari 5200 arcade machines but it was never released. The game itself is essentially RealSports Baseball …
The game itself consists of four levels: •The first level has you behind a defensive shield, defending against an alien attack. The level is a top-down view, with your ship …
A port of the classic computer game, A.E. (Which stands for Anti Environmental) is a most unusual 5200 prototype. It was never announced by Atari nor was it mentioned in …
A previously unreleased prototype game for the Atari 5200. Your goal is to destroy all the Xari's that come out of the well in the center of the screen before …
To clear the level, you must destroy all the UFOs while avoiding falling bombs and blocks. Blocks cannot be destroyed by your own bullets, but will disappear if hit by …
Blaster developed by Vid Kidz for Williams was released for the arcades and is quite obscure. What is interesting however is that the Atari 5200 version that was not released …
Millipede 5200 was an unreleased version of Millipede which happens to be the most accurate version to that of the original arcade. Sadly was never released due to it's arcade …