Knight Lore was followed three months later by Alien 8 and in 1986 by Pentagram. A second engine, Filmation II, was introduced in 1985 and used in two titles, Nightshade and Gunfright.
Knight Lore's release was followed by Alien 8 and Pentagram, released consecutively, with the latter appearing in 1986. In 1985, a new graphics engine, Filmation II, was introduced and used in two titles: Nightshade and Gunfright.