Present adventure games have a very poor natural language front-end.
Today, these adventure games are known as massively multiplayer online role-playing games (or MMORPG).
Many of the popular online adventure games are available for free.
While the Italian plumber has gone on to drive go-karts, play tennis, and even kill off a virus or two, the core appeal always comes back to the main adventure games where he is tasked with saving Princess Peach for the umpteenth time.
Rogue-like adventure games are another early form that were limited by the computers they were created on.