|Alternate Boss Endings|
Press Triangle to deliver the final hit to a Boss to view an alternate kill sequence.
Auto-face an opponent and jump in a forward motion or dive will help kill an enemy quickly. If you do not auto-face, you can just dive for cover or get away.
|Slow-motion And Character Select|
Successfully complete the game on the easy difficulty setting to unlock the slow-mo and character select options.
Play the game well and get past certain levels to unlock bonuses such as "Slow Motion".