From Blaseball Wiki

Perk is a Player Modification first seen after the end of the Coffee Cup, which allows players to Overperform in Coffee Weather.


Players who have the Perk modification have the ability will Overperform during games with any of the three types of Coffee Weather, those being Coffee, Coffee 2, and Coffee 3s.


The Perk modification was first seen after the Coffee Cup. The Team that won the Coffee Cup, Inter Xpresso, where all given the Perk modification. The description of the modification reads: "This Player has been rewarded Percolated energy." This implies that the Perk players were given the energy from the players Percolated from The Real Game Band during the Coffee Cup. The following players have the Perk modification:

Despite there being more players in the Shadows of Inter Xpresso, they were not given the Perk modification.