Xena: Warrior Princess Game System: Sony Playstation Cheat Category: Cheat Game Company: Unknown Game Category: Unknown Hint, Cheat, Walkthrough:   XENA: WARRIOR PRINCESS ====================== FULL SWORD AND SHIELD UPGRADES: (submitted by: _IMP_ [TML]) Press Triangle, Square, Triangle, Square, Square, Up, Up, Up at Title screen. LEVEL SELECT: (submitted by: MadHaTTeR) Highlight "New Game" at the main menu and press Triangle, Square, Circle, Triangle, Square, Up, Up, Up. INVINCIBILITY: (submitted by: Thomas OCampo) Press Up, Up, Up, Circle, Square, Up, Right, Left at the main menu.