Games like Guild Wars: Nightfall - Collector's Edition

If you finished Guild Wars: Nightfall - Collector's Edition, the closest matches are Eiyuden Chronicle: Hundred Heroes, The Seven Deadly Sins: Origin, Alaloth: Champions of the Four Kingdoms, Penny Arcade's On the Rain-Slick Precipice of Darkness 3 and Prince of Qin. All 6 share its adventure genre and are ranked by how closely their themes and modes overlap.