"Another visitor. Stay a while. Stay forever!" - immortal words spoken by Prof. Elvin Atombender. Despite being a little warbly and crackly, this phrase is the fondly remembered welcome to his stronghold in Epyx's original platform puzzle game, Impossible Mission. Released in 1984, the game mirrored the climate of the time - fear of nuclear annihilation - and cast more than a slight nod to the previous year's movie, WarGames. Impossible Mission introduces the Professor as an evil megalomaniac (aren't they always?) bent on repaying the world for its injustices. To this end, he has hacked into government computers and taken control of the country's missile arrays with dastardly plans to destroy the planet. As Agent 4124, your task is to infiltrate the Professor's stronghold and recover and reassemble fragments of pass-codes in order to gain access to the control room and save the world. 23 years later and System 3's re-release offers up more than simply a revisit to the past. This 2007 version includes not only a faithful recreation of the C64 version of the Epyx classic, but also a re-skinned version for the graphics junkies who cannot stand to look at those old, 8-bit pixels. Additionally, there is a completely updated version with new levels and graphics. "Destroy him, my robots!" All flavours offer up the same, classic challenges. Guide Agent 4124 through every room of the stronghold using a network of elevators viewed from the side. In each room you must use the elevator pads to make your way to other platforms and catwalks, pausing to search furniture and objects for pieces of pass-code. Sometimes your search will uncover codes to disable the robots, and others to reset the room elevator pads. When you've acquired several pieces, reassemble them by flipping and mirroring to make the overlaid fragments match. To make the task trickier, the pieces come in three colours, with only fragments of the same colour matching. Whatever you do, don't hang around for too long or you'll meet an untimely end. The Professor's robots and mysterious black floating orbs do not take kindly to intruders, summarily zapping you on contact or shooting out bolts of electricity. Thankfully, our agent is an athletic character, with the agility to somersault over robots and the numerous bottomless pits. The original game became a classic thanks to its stunningly smooth animation, voice synthesis and its finely tuned gameplay. As a game that has stood the test of time, this 2007 release gives fans of the original (or the new generation of gamers) the chance to relive a classic in its original form or revisit it in its new clothes.