Generate a correct and concise answer for the question based on the words in the context.
Q: Context : Dungeon Crawl Stone Soup is a free and open source roguelike computer game, which is the actively community-developed successor of the 1997 roguelike game Linley's Dungeon Crawl, originally programmed by Linley Henzell.
Question : Which is the basis of Dungeon Crawl Stone Soup?
A:
Linley's Dungeon Crawl