Dynasty Warriors 3 Xtreme Legends Cheats

Enter the CHALLENGE MODE and choose XTREME,then choose the SPEED DEMON challenge. You
must finish in under 1 min. and 30 sec. Then you will receive the
special item BEAST HARNESS. With this equiped you will be able to see
where the last horse or elephant you rode is on your map. (It will
appear as an "X" on your map).  

You may see a small purple flashing question mark in the lower right corner of the screen. In order to complete it, you must create 120,000 Perfect combos or make 999,999 combo in game points. Once you make it one fourth of the way, you will get a purple to yellow question mark. Once you are halfway there, you will get a red question mark. Once you get the full amount, you will receive the Musuo Armor, which allows you to get hit by an arrow and just get the damage without losing your footing.

Get over 1000 combo points in the Combo Mania Xtreme Challenge.

There are two secret endings featuring the unaligned characters. Under Options, select Opening, then highlight Play. Then:

For the first ending (Diao Chan sings with back-up dancers, Zhang Jiao plays with fire, Lu Bu leers at Dong Zhou) - hold in L1 and R1 and press X.

For the second ending (Zhu Rong sings without dancers, much more silly dancing, Dong Zhou hits on random female) - hold in just L2 and R2 and press X.

At the main menu, press L1, L1, R1, R1, L2, L2, R2, R2, Square, Triangle