This is an action arcade/platform game for Spectrum 48K (without music)/128K (with AY music) made using Arcade Game Designer 4.7.
The main character is Jack Scavenger (the player), a novice treasure hunter.
Since saw the Indina Jones movies that Jack is fascinating by this type of adventures.
So he decided to risk his luck.
A friend of him had a reference about a treasure hidden in the Caves of Lune Mountain.
So, in his first adventure, Jack has the mission to find the Treasure of Lumos.
For this he has to explore the Caves of Lune Mountain, where he will find various relics, keys to open the closed doors and... hazards.
To complete the mission, Jack must reach the jeep WITH THE TREASURE!