Games released in 1991 sorted by release date

Defender of the crown is a strategy game set in the middle ages, in England. You control a Saxon and must fight Normans to control the country. The player can conquest territories, lay siege to castles, join tournaments, rescue damsels.

Elvira 2: The Jaws of Cerberus is an abandoned horror adventure/RPG hybrid game with elements of dark fantasy, developed by Horror Soft and published by Accolade for DOS in 1991. Elvira 2: The Jaws of Cerberus is also part of the Elvira series of games, each of one based on the popular movie/TV personality Elvira.

Eye of the Beholder 2: The Legend of Darkmoon is an old DOS fantasy RPG set in the Dungeons & Dragons universe, developed by Westwood Studios and published by SSI Strategic Simulations Inc. in 1991. Eye of the Beholder 2 (also called EotB2) is one of the most popular party-based dungeon crawlers every released for PC.