At least try to list games that aren't multiplatform..
Prince of Persia: T2T was on xbox,gamecube,wii,pc and psp and Devil May Cry 3 was also on pc.
Darksiders II,Sleeping Dogs&Arkham Asylum were also on PC&xbox 360.
Castlevania: Symphony of the Night was also on Saturn.. it just never got a US release.Why do so many people keep missing the point?? Just narrow you list to 2 games! and it doesn't have anything to do with a specific console.
I never really liked the "Microsoft" exclusives. The only ones I was ever really into was Ninja Gaiden Black, Jet Set Radio Future and Shenmue II... this was back before MS decided to "Halo" everything in sight (imho).
Allow me to "revise" my list...
(5th?) Gen:
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Xbox: Shenmue II and Jet Set Radio Future. (Both were exclusive)
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(6TH?) Gen : Darksiders II and Sleeping Dogs (Not exclusive)
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PS Vita (4th Portable?) Gen: Persona 4 Golden and Shinobido 2: Revenge of Zen (Both exclusive... P4G improved on the original game so much it's almost it's own separate entry now.
[No 3DS games on this part of the list.]
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Game Boy Advance: Castlevania: Circle of the Moon and Ninja Five-O (Exclusive)
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PSP & DS (3rd Portable?) Gen: Phantasy Star Portable 2 and Persona 3 Portable
[No DS Games on this part of the list, either.]
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Playstation (4th?) Gen: Castlevania: Symphony of the Night and Soul Reaver
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I didn't pick FF7 on the PS Gen because while the game had an absolutely outstanding sense of atmosphere, I didn't enjoy it nearly as much as the other two games on this list.
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NES (2nd?) Gen: Ninja Gaiden II and The Legend of Zelda: The Adventure of Link
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Genesis (3rd?) Gen: Phantasy Star II and Shinobi III
PSII is one of the most frustrating games ever. However, despite its massive difficulties, and glaring flaws, it's probably one of the few games out there that stuck with me, on an emotional as well as an artistic level.
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There. My list is now within the paradigms of your thread. But you know how hard it is to pick just two games, though.