 "La Pulga") and "Fred" (1983, titled ""Roland on the Ropes"" in the Amstrad version), two titles licensed from Spanish software house Indescomp S.A., Sandy White's "Ant Attack" (1983) and "Zombie Zombie" (1984) for the ZX Spectrum featured revolutionary 3-D graphics for which a patent application was made.The company was most successful during 1983–1984, during which time it released a "Star Raiders"-style game entitled "Time-Gate" (1983) and the first official home computer conversion of Atari, Inc.'s "Battlezone" (1984).Also in 1984 they released "Fantastic Voyage" (an official licence from the 1966 film), "The Snowman" (an adaptation of the 1978 book), and "The Thompson Twins Adventure" (an adaptation of the Thompson Twins single, "Doctor!