The VIOLENCE10 promotional code is currently active. Redeeming the string in-game unlocks a highly specific, restricted special survivor outfit. The code does not have a documented expiration date, but players are advised to redeem it as soon as possible.
Other active codes include KILLERBOOST (flat percentage movement speed acceleration modifier for the killer entity), ESCAPEPLAN (renders exit gate auras globally visible to the survivor faction), and GENERATORFIX (instantaneous 100% repair completion on one randomly selected generator).