Plot: ABPA Backgammon is a backgammon video game for Intellivision. This was one of the original four launch titles for the Intellivision system Wikipedia
Plot: Worm Whomper, released in 1983 by Activision, was one of six of the original games that Cheshire Engineering developed for Intellivision. The game was written by Tom Loughry, who also wrote Advanced Dungeons & Dragons and The Dreadnaught Factor for Intellivision. Wikipedia
Plot: Sharp Shot is a video game released by Mattel for its Intellivision video game system in 1982. Specifically marketed towards younger children, Sharp Shot is a collection of four simple games where the object is to score points by correctly timing shots at various targets. Wikipedia