Here is the full list of all 30 Super Samurai Rampage achievements.
Unlock the Garden rampage.
Unlock the Bridge rampage.
Defeat 10 enemies.
Defeat 30 enemies.
Defeat 50 enemies.
Defeat 75 enemies.
Defeat 150 enemies.
Defeat 250 enemies.
Defeat 500 enemies.
Defeat 750 enemies.
Defeat 1000 enemies.
Defeat 5000 enemies.
Reach a highscore of at least 200.
Reach a highscore of at least 1000.
Reach a highscore of at least 2000.
Reach a highscore of at least 3000.
Reach a highscore of at least 4000.
Reach a highscore of at least 5000.
Reach a highscore of at least 15000.
Reach a highscore of at least 20000.
Deflect 20 projectiles.
Deflect 50 projectiles.
Deflect 100 projectiles.
Defeat an enemy by using Focus Mode.
Defeat 20 enemies by using Focus Mode.
Defeat 100 enemies by using Focus Mode.
Enter Lightning Mode for the first time.
Enter Lightning Mode 10 times.
Enter Lightning Mode 30 times.
Enter Lightning Mode 100 times.