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Balatro has 11 Stickers that can be applied to Jokers or Decks. Stickers can be Stake-based indicating previous wins with this Joker or they can be one of three stickers that have in-run effects. The player cannot manually apply or remove any Stickers.

The Square Joker is a common Joker which provides a chips bonus that increases by +4 Chips every time you play a hand with only four cards. The four cards played do not have to score and all four can be debuffed. This Joker cannot receive the Perishable sticker.

Madness is an uncommon multiplicative Mult Joker that fuels itself with the sacrifice of other Jokers. At the start of every Small and Big Blind it gains X0. 5 Mult and destroys another Joker at random. The destruction of another Joker and gaining X0.