Eternum Ex is a retro platform video game with the look and feel of the ’80s arcade cabinet games. Titles that have inspired and most influenced its creation are: Bomb Jack (Tehkan, 1984), Ghosts’n Goblins (Capcom, 1985), Baluba-louk no Densetsu (Able, 1986) and Psychic 5 (Jaleco, 1987).StorySir Arthur has gotten old... too old. He has lost everything he had and loved, and with nothing more to lose he leaves for Samarnath, an evil subterranean kingdom (which no knight has ever returned alive) in search of treasures, adventures and the most important: five magical orbs that together provide: the Eternal