Adventure games live and die by their gameplay and storytelling. For The Immortals of Terra: a Perry Rhodan Adventure, this axiom proves to be no exception. The gameplay in this game is extremely average, with nothing to make it stand out as remarkably bad, but nothing to make it stand out as remarkably good either. The storytelling, with all of its history and characters, is plainly the intended selling point of this game, but it falls flat with anyone not familiar with the Perry Rhodan universe.
Although The Immortals of Terra: a Perry Rhodan Adventure is a very solid effort from an independent developer trying to adapt a popular work, there is little for adventure fans aside from its setting that sets it apart from its competition, and even that is only interesting to those who are already fans of the franchise.