  a gelatinous cube is a fictional monster from the dungeons & dragons fantasy role-playing game. it is described as a ten-foot cube of transparent gelatinous ooze, which is able to absorb organic matter. ==creative origins== the gelatinous cube is an invention of gary gygax, and first appeared in the monster manual (1977),monster manual rather than being lifted from outside sources and adapted to a roleplaying setting, as were many mythological monsters like the minotaur and dryad. being a cube that is a perfect ten feet on each side, it is specifically and perfectly "adapted" to its native environment, the standard,  by  dungeon corridors which were ubiquitous in the earliest dungeons & dragons modules. ==publication history== the gelatinous cube first appeared in the original dungeons & dragons "white box" set (1974),gygax, gary, and dave arneson. dungeons & dragons (3-volume set) (tsr, 1974) and its first supplement, greyhawk (1975).gygax, gary and robert kuntz. supplement i: greyhawk (tsr, 1975) the gelatinous cube appeared in the dungeons & dragons basic set (1977, 1981, 1983). the gelatinous cube also appeared in the dungeons & dragons rules cyclopedia (1991).allston, aaron, steven e. schend, jon pickens, and dori watry. dungeons & dragons rules cyclopedia (tsr, 1991) the gelatinous cube appeared in first edition advanced dungeons & dragons in the original monster manual (1977).gygax, gary. monster manual (tsr, 1977) the creature was further developed in dragon #124 (august 1987).greenwood, ed. "the ecology of the gelatinous cube." dragon magazine #124 (tsr, 1987) published first edition advanced dungeons & dragons adventures which included gelatinous cubes as adversaries that the player characters encounter included "the ruins of andril", published in dragon #81.{{cite journal | last = melluish| first = ian| title =the rui
Dungeons_&_Dragons_standard_creatures Fictional_amorphous_creatures