Full list of all 50 Samurai Shodown Sen achievements worth 1,000 gamerscore. It takes around 12-15 hours to unlock all of the achievements on Xbox 360.
To kill thousand of men (in any mode)
To kill 26 men in Survival mode
To kill 13 men in Survival mode
To complete the Story mode with all characters (with the highest difficulty)
Golba unlocked (complete Story mode with 24 characters)
To complete the Story mode with Garros
To complete the Story mode with J.
To complete the Story mode with Walter
To complete the Story mode with Angelica
To complete the Story mode with Jinbei
To complete the Story mode with Suzu
To complete the Story mode with Genjuro
To complete the Story mode with Ukyo
To complete the Story mode with Kyoshiro
To complete the Story mode with Nakoruru
To complete the Story mode with Rimururu
To complete the Story mode with Wanfu
Draco unlocked (complete Story mode with 12 characters)
To complete the Story mode with Kirian
To complete the Story mode with Kim Hae-ryeong
To complete the Story mode with Blackhawk
To complete the Story mode with Galford
To complete the Story mode with Claude
To complete the Story mode with Takechiyo
To complete the Story mode with Jubei
To complete the Story mode with Hanzo
To complete the Story mode with Kazuki
To kill 5 men in Survival mode
To complete the Story mode with Sogetsu
To complete the Story mode with Charlotte
To launch Slash 100 times successfully (in all modes except practice mode)
To provocate the opponent for 50 rounds (in all modes except practice mode)
To launch Slash 50 times successfully (in all modes except practice mode)
To launch Slash 10 times successfully (in all modes except practice mode)
Type in "SNK" in NAME ENTRY screen under Story mode
To complete the Story mode with Haohmaru
Two sides in the fight die simultaneously
To win in Xbox LIVE fighting for 100 times (in Ranked match)
To win in Xbox LIVE fighting for 50 times (in Ranked match)
To win in Xbox LIVE fighting for 20 times (in Ranked match)
To win in Xbox LIVE fighting for 5 times (in Ranked match)
To kill the opponent when you are dying (in Ranked match)
Haohmaru fights against Genjuro (in Ranked match)
Walter fights against Charlotte (in Ranked match)
Hanzo fights against Galford (in Ranked match)
Sogetsu fights against Kazuki (in Ranked match)
Nakoruru fights against Rimururu (in Ranked match)
To have Xbox LIVE fighting for once (regardless of the result, in any match)
To kill the opponent with full HP (in Ranked match, within 1 match)
To kill the opponent with full HP (in Ranked match, within 1 round)