・コロンブスの呪縛を解け（第１作）
http://chikyu-to-umi.com/cgi/diary/archives/766.html
・白き女神を救え（第２作）
http://chikyu-to-umi.com/cgi/diary/archives/767.html
・ロマノフの幻を追え
http://chikyu-to-umi.com/cgi/diary/archives/768.html
・オケアノスの野望を砕け
http://chikyu-to-umi.com/cgi/diary/archives/771.html
・Lost City
http://chikyu-to-umi.com/cgi/diary/archives/775.html
・Polar Shift
http://chikyu-to-umi.com/cgi/diary/archives/776.html
・The Navigator
http://chikyu-to-umi.com/cgi/diary/archives/778.html