"User summary and information from The series of medieval run-and-gun arcade action games from Capcom. In Japan known as Makaimura (魔界村), or "Demon Land Village".
Apart from the series, there are also some spinoff games such as Gargoyle's Quest and Demon's Crest, where the playeer is not controlling the knight Arthur, but instead a monster.
The series consists of
- Ghosts'n Goblins (Makaimura, 1985, arcade original, multiple ports)
- Ghouls'n Ghosts (Daimakaimura, 1988, arcade original, multiple ports)
- Super Ghouls'n Ghosts (Chomakaimura, 1991, SFC original, multiple ports)
- Ultimate Ghosts'n Goblins (Gokumakaimura, 2006, PSP original)
- Makaimura Kishi Retsuden (?, mobile app, iPhone, iPod touch)
The series as a whole have sold over 4 million units, and stand as the 9th best selling game series of Capcom."
Source: Wikipedia, "魔界村", available under the CC-BY-SA License.