Plot: Dark Sceptre is a strategy adventure video game by Mike Singleton's design team Maelstrom Games, for Beyond Software. It was published by Firebird Software for the ZX Spectrum in 1987 and for the Amstrad CPC in 1988. Wikipedia
Plot: Dark Fusion is a horizontally-scrolling platform shooter published by Gremlin Graphics in 1988. Levels are divided into three zones: Combat zone, Alien zone, and Flight zone. To enter a new zone, player must first find a fusion pod. Wikipedia
Plot: Count Duckula 2 is a computer game for the ZX Spectrum and Amstrad CPC released in 1992 by Alternative Software. It was the follow-up to the 1989 release Count Duckula in No Sax Please We're Egyptian. Both are tie-in licenses of the Cosgrove Hall Count Duckula cartoon series. Wikipedia
Plot: Dynamite Dan II: Dr Blitzen and the Islands of Arcanum is a platform game and the sequel to 1985's Dynamite Dan. It was written for the ZX Spectrum by Rob Bowkett and published by Mirrorsoft. An Amstrad CPC port was released the same year. Wikipedia