Achievements...
	Easy kills...
	Fists of Death Mode...
	Level and Lives Select...
	No damage from enemy throws...
	Same Character in 2 Player...

Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
First Versus ( 10 points )	Defeat another player on Xbox Live in a versus match.
Fourth Boss ( 10 points )	Defeat the fourth boss.
Hard Win ( 35 points )	Complete the game without using a special attack.
High Score ( 25 points )	Score 800,000 points in one game with Game Settings set to Hardcore.
Kill Jet ( 30 points )	Defeat the Boss "Jet" at the end of Stage 2 with Game Settings set to Hardcore.
Knife Wielder ( 5 points )	Wield the knife in single player or co-op mode.
Online Co-op ( 10 points )	Complete an online co-op game.
Online Warrior ( 5 points )	Defeat 10 opponents on Xbox Live in versus mode.
Perfect Boss ( 10 points )	Defeat the first boss without dying.
Perfect Win ( 40 points )	Complete the game without continuing.
Pipe Wielder ( 5 points )	Wield the pipe in single-player or co-op mode.
Psycho ( 15 points )	Kill 10 enemies without losing your weapon.

When pressing X rapidly you will perform a four to five-hit combo. Press X slowly enough to jab, but not fast enough to trigger the combo. This will cause the thug to fall into a repeating animation and you can continue with single strikes until they are dead.

Beat the game to unlock "Fists of Death Mode". In this mode, you can defeat enemies in one hit.

Go to the main menu. Hold down (A) + (B) on controller 2 while selecting Options. You can now select how many lives you start with (up to 9), choose your starting stage, and play at the Very Easy and Mania difficulty levels.

To avoid any damage when being thrown by an enemy, press and hold UP and JUMP from the moment your enemy throws you until you hit the ground. Your character will land on their feet sustaining no damage.

At the title screen hold Right and B on Controller 1 and hold Left and A on Controller 2. Press C on Controller 2 with everything else still held down. Now both players can be the same person in 2 Player.