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I've run quite a few solo games over the years. I ran a couple using Rolemaster back in the day and those worked out pretty well. Some of the cumbersome things about that system feel much less cumbersome when only one character is involved.
I also had great success using Mage for some solo games because a lot of the story focus could be on a single character and the player had a very creative mindset. This was another case of a game that I think functions poorly with a bigger group was a good fit for a single player.
A couple years ago I ran a few sessions of a game vaguely similar to Supernatural/Anita Blake using Risus. This was with my wife as the only player. Extremely rules light, it again allowed for more focus on the story and the rules are easy and natural for that style of play.
Recently I've been running a very successful Savage Worlds conversion of a Dungeon Crawl Classic module from Goodman Games. This is not a solo game but I'm running it for my wife and (8 year old) daughter and it's working out pretty well. Fairly rules light but definitely crunchier than Risus. It is a bit swingy at times though so if character survivability is of utmost importance then you might want to adopt a few special rules to let the PC save their butt when things get nasty.
I also had great success using Mage for some solo games because a lot of the story focus could be on a single character and the player had a very creative mindset. This was another case of a game that I think functions poorly with a bigger group was a good fit for a single player.
A couple years ago I ran a few sessions of a game vaguely similar to Supernatural/Anita Blake using Risus. This was with my wife as the only player. Extremely rules light, it again allowed for more focus on the story and the rules are easy and natural for that style of play.
Recently I've been running a very successful Savage Worlds conversion of a Dungeon Crawl Classic module from Goodman Games. This is not a solo game but I'm running it for my wife and (8 year old) daughter and it's working out pretty well. Fairly rules light but definitely crunchier than Risus. It is a bit swingy at times though so if character survivability is of utmost importance then you might want to adopt a few special rules to let the PC save their butt when things get nasty.