This is the most common method for the PS1 version. Using a GameShark or similar cheat device allows you to force the character selection to Uriko.
To face and unlock Uriko, you must reach the true final boss without using a continue. Bloody Roar 1 Unlock Uriko
: She is available from the start, though other "boss" characters like Uranus or Kohryu require specific challenges, such as beating Arcade Mode without continues. This is the most common method for the PS1 version
"You have to beat the game in under 10 minutes." Truth: Time does not matter. Only the "No Continue" rule matters. Bloody Roar 1 Unlock Uriko
If the above method seems too complicated, there's an alternative way to unlock Uriko. You can try the following: