Since Solo Nexus is now a private blog, and many players have no access to it, John Fiore, author of the famous 9Qs solo RPG engine allowed me to host the latest edition of 9Qs on my blog.
If there is someone still not aware of what the 9Qs are, here is the original description:
Derived from screenwriting techniques, the 9Qs are nine questions that
will swiftly guide a solo player through the progressive stages of an
adventure in any genre by generating the inspiration needed to create
thrilling RPG encounters. Playing through those encounters with any RPG
rules system will produce exciting and unexpected results as the solo
player alternates between acting as the Game Master and directing the
The engine will work well with a variety of random idea generators, including Rory's Story Cubes and the Mythic GME.
So, here it is: LINK
You can also find the link in the rightmost column of the blog, near the bottom, just above the list of followers.
John is now active on G+ solo RPG community called Lone Wolf Roleplaying, so you can catch him there.
From the community, I would also like to recommend another fine solo RPG idea from John called The Aladdin technique. If you are solo RPG player, you definitely need to check this.