The FRIGHTS in Tight Spaces Add-on for Fights in Tight Spaces has 10 achievements.
Complete a fight with Cultists without triggering any support attacks
Kill 25 enemies by countering their support attacks
End a turn with 5 or more Combo after being jumpscared in the Crypt
Have 50 enemies killed by Traps
Complete a run in which all three bosses are killed by traps
Win 5 fights in which Relics are present, without them taking any damage
Destroy all four Relic types
Complete Frights in Tight Spaces
Complete Frights in Tight Spaces on Purist difficulty
Rescue the Ambassador from the Occultists