Use OPL (Open PS2 Loader) to play the ISO via a USB drive or SMB (Network).
For those playing via emulators like PCSX2, there are community patches to create "Complete" versions (combining the base game with Xtreme Legends content) without needing physical disc swaps. Shin Sangokumusou 2 PS2 ISO -JPN-
Insert the DVD or USB into your PS2 console and enjoy playing Shin Sangokumusou 2. Use OPL (Open PS2 Loader) to play the
Features 41 playable officers, including series staples like Zhao Yun, Guan Yu, and Cao Cao. The "Bodyguard" System: including series staples like Zhao Yun