The Galactos Barrier is a 1993 role-playing supplement for "Amazing Engine" published by TSR. Contents. "The Galactos Barrier" is a supplement in which the player characters oppose a corrupt empire. Publication history. "The Galactos Barrier" was the fourth Universe Book released for "Amazing Engine". Reception. Denys Bakriges reviewed "The Galactos Barrier" in "White Wolf" #47 (Sept., 1994), rating it a 2.5 out of 5 and stated that "With the price reduction of the Universe Books, the value of these products is greatly increased. For [the price] you get a complete game - all the rules necessary to play are included."