From the introduction:
"Mr. Noble knows one of you has it. Any information leading to its return will be handsomely rewarded. I'll see you in one hour. I hope you have the right answer for me."
From the author:
"inspired by the TV show The Prisoner, as well as Lost"
The Island is a re-theming of the minimalist game skeleton, Ghost/Echo.
The principle resolution mechanism is to roll 1d6 for each danger and for each goal, then to assign results. 65/43/21 = good/mixed/bad outcomes.