Very easy but painful sometimes and can get awfully repetative. Need an auto travel that autoresolves battles along the way. The quests where you hit a buccaneer every 10 feet are the worst.
Since I don't give two craps about halo... you can beat the halo challenge by buying nothing but gunmen and sitting back in your chair to watch the show.
 "Protector III"){kind=icon}
 "My Pet Protector 2"){kind=icon}
 "My Pet Protector"){kind=icon}
 "The Company of Myself"){kind=icon}
 "Frontier"){kind=icon}
 "Storm the House 3"){kind=icon}
 "Globetrotter XL"){kind=icon}