Koei's Dynasty Warriors and Samurai Warriors games are incredibly formulaic. If you've played one, you know that each version: a) pitches you, a powerful warrior, against hundreds -- if not thousands -- of generally stupid A.I. opponents; b) contains loads of glorified historical figures; and c) could possibly wear out your controller due to all the button-mashing. Series newcomer Warriors Orochi -- this one on the PSP -- sticks to the same love-it-or-hate-it model, with a few new features that make the experience more enjoyable for longtime Warriors lovers.

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