Tweel (A Martian Odyssey) Tweel (A Martian Odyssey) Tweel (also referred to as a "Tweerl", the exact pronunciation of the word is said to be impossible for humans) is a fictional extraterrestrial from the planet Mars, featured in two short stories by Stanley G. Weinbaum. The alien was featured in "A Martian Odyssey", first published in 1934, and "Valley of Dreams" four months later. Weinbaum died of lung cancer soon after, and a third installment in the series never saw fruition. Tweel remains one of the most recognised aliens in early science fiction, and is said to be an inspiration for aliens in the
Monuments of Mars with rescuing NASA astronauts that have gone missing in the fictional "monuments of Mars". Toward the end of each episode, groups of captured astronauts can be released from "energy rings". At the end of the final episode, markings on a "face" object reveal that some aliens were using Mars as a base to study humans from afar, but abandoned it and left their automatic intruder capture system switched on, hence the capture of the astronauts. In the game, the player controls an astronaut who must navigate through twenty levels on the planet Mars to finish the game. Most levels require