
The Eidolon is a groundbreaking first-person shooter created by Lucasfilm Games in 1985, employing advanced fractal technology to generate detailed underground environments. Players progress through eight maze-like levels of caverns, gathering colored energy spheres and confronting a variety of adversaries. The game’s distinctive combat system demands that players match the color of the orbs to the type of enemy, introducing a tactical element to the action. Each stage ends with a showdown against a dragon guardian, which becomes accessible after retrieving three diamonds protected by specific foes. The game includes special powers linked to orb colors: green orbs can alter enemies, while blue orbs briefly halt their movement. This color-driven gameplay, along with the need to monitor the Eidolon’s energy reserves and tackle increasingly intricate cave layouts, offers a demanding yet rewarding challenge. The Eidolon’s combination of pioneering visuals, strategic fighting, and exploration made it a notable achievement in early 3D gaming, highlighting Lucasfilm Games' creative vision in mid-1980s game development.
The player stumbles upon the Eidolon, an unusual 19th-century machine hidden within a deserted lab. While examining the device, he is unexpectedly pulled into another realm and stranded in an immense, labyrinthine cavern. The creatures within the cave, detecting the energy radiating from the Eidolon, are roused from their centuries-long rest. The player quickly realizes that his only hope of surviving lies with this enigmatic vehicle and its formidable energy weapon.
| C64 | December 1, 1985 |
| Atari8bit | December 1, 1985 |
| ACPC | December 31, 1986 |
| Apple][ | December 31, 1986 |
| MSX | December 31, 1986 |
| ZXS | December 31, 1986 |