Here is the full list of all 45 SAMURAI SHODOWN achievements.
Use Rage Explosion 50 times.
[DOJO] Defeat your own ghost.
[STORY] Clear with four different characters.
[GALLERY] Unlock 15 movies.
Fill the Rage Gauge 50 times.
Perform 10 Just Defenses.
Defeat 10 opponents with Super Special Moves.
Defeat an opponent by only kicking for an entire battle.
Defeat an opponent for the first time using a Weapon Flipping Technique.
[BATTLE] Extend the timer by at least 150 seconds in Time Trial Mode.
Defeat 10 opponents with Lightning Blade strikes.
[DOJO] Defeat a ghost character 10 times.
Defeat 10 opponents using a Special Move.
[DOJO] Receive your first ghost.
[DOJO] Fight a ghost match.
[STORY] Clear without using a Continue.
Defeat an opponent for the first time using Lightning Blade.
[BATTLE] Win 5 successive victories in Survival Mode.
Defeat an opponent for the first time using a Super Special Move.
Obtain your first perfect victory.
[TUTORIAL] Complete all lessons.
[STORY] Clear with any character.
[STORY] Defeat the boss.
[STORY] Clear after using a Continue.
Defeat 10 opponents with heavy attacks.
Successfully use Just Defense for the first time.
Win a round within 10 seconds of the start of battle.
Earned all achievements in the game.
[STORY] Clear with 12 different characters.
[STORY] Clear with 16 different characters.
[BATTLE] Finish Gauntlet Mode with any character.
[DOJO] Defeat a ghost character 50 times.
[DOJO] Defeat a ghost character 100 times.
[ONLINE] Fight a Ranked Match.
[ONLINE] Play one Casual Match.
[ONLINE] Fight a Team Battle.
[GALLERY] Unlock 25 movies.
[GALLERY] Unlock 17 pieces of artwork.
Defeat 10 opponents with Weapon Flipping Techniques.
Successfully use a Counter for the first time.
Counter an opponent's attack 10 times.
Knock down an opponent with a Stance Break 10 times.
Perform a Blade Catch 10 times.
Defeat an opponent while unarmed for an entire battle.
Use the same character 100 times.