Here is the full list of all 31 Soul at Stake achievements.
Kill 4 gamblers in a game.
As a Devil, lose a game with all 5 cardholders having been sealed.
As a Gambler, win a game alive.
Win a game by sealing 5 cardholders in the death status.
Play a game in the Train Station and achieve at least 15,000 score.
Play a game in the Palace and achieve at least 15,000 score.
Play a game in the Hakka Tulou and achieve at least 15,000 score.
Win a game with all Gamblers alive.
As a Gambler, win a game with only you alive.
Destroy objects(windows and doors) for a total of 100 times.
As a Devil, kill at least 2 Gamblers in a game for a total of 50 times.
As a Gambler, play games and achieve at least 15,000 score for a total of 50 times.
As a Gmabler, win games alive for a total of 20 times.
Kill a total of 100 Gamblers.
Use Stealth Charm for a total of 50 times.
Use a Teleporter.
Use a Ginseng Pill to heal your wound.
As a Devil, capture a Gambler by using a bear trap.
Use a Auras Radar.
Stun a Gambler by using a Soul Bell.
Raise a character level to 20.
Heal a seriously wounded Gambler.
Succesfully heal Gamblers for a total of 10 times.
Obtain a total of 100K stakes(outside matches).
As a Gambler, win a game alive with the score less than 10,000.
As a Gambler, win a game without losing a single drop of blood.
As a Devil, lose a game without killing any Gambler.
In a public match, hit the Gamblers 3 times by using the Corpse's special ability.
In a public match, hit the Gamblers 3 times by using the Prince's special ability.
In a public match, hit the Gamblers 3 times by using the Bride's special ability.
In a public match, use a Devil's special ability for a total of 10 times.