Soul Calibur 1 HD and Soul Calibur 2 HD (both delisted) are still available digitally on Amazon Germany, though the code might be region-locked. : r/ SoulCalibur
Soulcalibur II (PlayStation 2) - The Cutting Room Floor
Download Xbox SoulCalibur II HD Xbox 360 Digital Code | Dell USA
Soul Calibur II Reloaded Xbox Costumes HD - YouTube
Soul Calibur 2 (Original Xbox) Game Profile - XboxAddict.com
Guide - Soul Calibur 2 Wiki Guide - IGN
SoulCalibur 2 HD was recently delisted on Xbox | Eurogamer.net
Soul Calibur 2 (Original Xbox) Game Profile - XboxAddict.com