I love Stargate and have long wanted to do a game set in its universe. Here are a set of solo rules for Stargate.
Miniatures Rules
Sengoku Jidai Samurai Skirmish Rules
Sengoku Jidai is a set of quick play samurai skirmish rules. There’s also a Korean supplement.
World War II Skirmish Rules
The Tyneside Gamers offer a set of World War II skirmish rules. Lots of other rules sets at the page also.
Four Musketeers Skirmish Rules
Black Hat Miniatures offer Four Musketeers, a set of skirmish rules / scenario in which the Musketeers must retrieve the Queen’s earrings.
Able Spaceman Rules
Able Spaceman is a set of solo rules for spaceship battles.