Xenogears - OST	SSCX-10013 SQEX-10043~44	1998/03/01 2005/02/23	Yasunori Mitsuda
Xenogears - CREID	SSCX-10018 SQEX-10046	1998/04/22 2005/06/29	Yasunori Mitsuda
Xenogears - Light	OUS-003	2005/02/08	Yasunori Mitsuda arranger: various (One-Up Studios)	not official square cd
Xenosaga: Episode I - OST (1st edition)	SSCX-10062~3	2002/03/06	Yasunori Mitsuda
Xenosaga: Episode I - OST (2nd edition)	SBPS-0004~5	2004/05/19	Yasunori Mitsuda
Xenosaga: Episode I - Heart [kokoro]	SSCX-10061	2002/02/06	Yasunori Mitsuda
Xenosaga: Episode I - Promo CD	TGCS-1353	2001/01/01	Yasunori Mitsuda	original recording of "Pain - piano version"
Le Mystere des Voix Bulgares	?	?	?	contains "Pilentze Pee" - used in Ep1 TGS trailer
Xenosaga: Episode I: The Animation - OST	COCX-33116	2005/03/23	Yamashita Kousuke
Xenosaga: Episode II - Movie Scene OST	VICL-61431~2	2004/07/07	Yuki Kajiura
Xenosaga: Episode III - Best Tracks OST	VICL-61975~6	2006/07/12	Yuki Kajiura
Xenosaga: Freaks - Reservation CD	ZSF-01	2004/04/28	?
Xenosaga: OUTER FILE 01	MACT-1002	2002/11/22	?	radio drama with unique music
Xenosaga: OUTER FILE 02	MACT-1003	2002/12/21	?	radio drama with unique music
Xenosaga: OUTER FILE 03	MACT-1004	2003/01/24	?	radio drama with unique music
The Trance Album	KFSS-708	2004/11/05	various	Xenogears: "Hatching Egg of Dreams" not official square cd
Time & Space (1st edition)	OUS-001 [1st edition]	?	Yasunori Mitsuda arranger: various	Xenogears tracks not official square cd
Time & Space (2nd edition)	OUS-001 [2nd edition]	?	Yasunori Mitsuda arranger: various	Xenogears tracks not official square cd
XENO CDs without unique music
Xenosaga: Episode II - US Strategy Guide CD	? [us]	2005/02/17	Yuki Kajiura
XENO GAMES without OSTs
Xenosaga: Episode I+II - OST	DS		Yamashita Kousuke
Xenosaga: Episode II - non-Movie Scene OST	PS2		Shinji Hosoe
Xenosaga Freaks	PS2
Xenosaga Pied Piper	Mobile