How to counter Cosmo

The brawlers that beat Cosmo in Brawl Stars, and the ones Cosmo beats — ordered by adjusted win rate in sampled team battles. Only matchups with enough evidence for a recommendation are shown.

Every percentage is Cosmo’s win rate when the named opponent is present, not the opponent’s rate. These are team results, not one-on-one duels; map, teammates, trophies and repeated players affect the sample. A result below half identifies an observed disadvantage, not a guaranteed counter. Match your intended mode and map before choosing.