A Secret History    10 points
Complete "THE DAIMYO'S STORY".
    
The Death of Innocence    15 points
Complete "SCHOOL INVASION".
   
The Price for Vengeance        20 points
Complete "SWORD MASTER'S STORY".
   
Love Lost    25 points
Complete "OKIKU'S STORY".
   
The Path to Godhood    30 points
Complete "THE LOWDOWN EAST PASS".
   
And so it begins    5 points
Complete "PRELUDE".
   
Copy-Cat Killer    35 points
Complete "THE DOPPELGANGER".
   
The Past Laid to Rest    40 points
Complete "KUMA'S STORY".
   
All That Stood Are Gone        45 points
Complete "THE EMPTY SEVEN'S STORY".
   
Revenge Served?        50 points
Complete "JUSTICE'S STORY".
   
Completionist    200 points
Complete the game on both difficulties.
   
Closer to God    5 points
Slice an enemy using a Vertical Attack with a bonus.
   
This Little Piggy    10 points
Slice off fingers and toes at the same time.
   
Give Me a Hand    10 points
Slice off an enemy's hand.
   
Two Birds One Sword    5 points
Slice 2 enemies at once.
   
Three-way    5 points
Slice 3 enemies at once.
   
Four to the Floor    10 points
Slice 4 enemies at once.
   
The Child Without a Name    5 points
Collect 5 mementos in "THE DAIMYO'S STORY".
   
Afro Samurai    5 points
Collect 5 mementos in "SCHOOL INVASION".
   
The Demon of Vengeance    5 points
Collect 5 mementos in "OKIKU'S STORY".
   
The Number Two    5 points
Collect 5 mementos in "THE LOWDOWN EAST PASS".
   
The Death Bringer    5 points
Collect 5 mementos in "THE DOPPELGANGER".
   
Widow Maker    5 points
Collect 5 mementos in "KUMA'S STORY".
   
The Samurai Ghost    5 points
Collect 5 mementos in "THE EMPTY SEVEN'S STORY".
   
The Number One    100 points
Unlock all skills.

Hundred Head Hunter    20 points
Slice off 100 heads with a bonus.

Head to Toe    25 points
Slice 50 enemies using a Vertical Attack with a bonus.

Meijin    5 points
Achieve 100 kills.

Kengo    20 points
Achieve 1000 kills.

Kensei    50 points
Achieve 2000 kills.

Made Hand Ronin    5 points
Complete a Ronin Straight Flush.

No Limit Ninjas    10 points
Complete a Ninja Straight Flush.

Kunoichi Suicide Queens    10 points
Complete a Kunoichi Straight Flush.

Gutshot Android Straight    15 points
Complete an Android Straight Flush.

Off Suit Samurai    25 points
Complete a Samurai Straight Flush.

Hip Hop        10 points
Slice off an enemy's foot.

Slow Your Roll    5 points
Slice an enemy during their attack.

You Are Glue     10 points
Kill an enemy with a sliced bullet.

I Am Rubber    10 points
Kill an enemy with a reflected bullet.

Mash Medley    5 points
Achieve a 20 hit combo.

Rhythm Section    20 points
Achieve a total of 3000 combos.

Let It Flow     15 points
Spill 2000 gallons of blood.

Bushi    30 points
Unlock 40 skills.

Ashigaru    10 points
Unlock 10 skills.

Hatamoto    20 points
Unlock 25 skills.

F*!# Gravity    5 points
Slice an enemy in the air.

Hats Off to You        5 points
Slice off a head with a bonus.

Torso From Tail        15 points
Slice 50 bellies.

..:: 48 achievements with a total of 1000 points ::..