How to unlock all classes (collars) in Mewgenics

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Updated
Feb 13, 2026, 7:51 PM EST

Four to start, nine more to unlock

A zoomed in shot of Mewgenics, with a group of fleas surrounding an enemy.

There are 13 Mewgenics classes in this cat breeding turn-based roguelike, although you’ll only start the game with four. Knowing how each of the classes works, alongside what the best ones are and how to unlock them in the first place, is key to progressing through this incredibly deep and layered game from the creator of The Binding of Isaac.

So whether you’ve just started the game and you want to know what’s coming up for you or you want to know how to unlock a specific one, here are the details for the different Mewgenics classes.

Update (Feb. 13): We’ve updated this guide with information about the Psychic class.

Mewgenics classes and how to unlock them

Classes in Mewgenics are represented by collars. Here’s a list of the first 11 and how to unlock them. We’re still working out how to unlock the remaining two, but we’ll update this guide once we can verify them ourselves.

Class	How to unlock	Stats	Description
Fighter	Default	+2 Strength, +1 Speed, -1 Intelligence	Punch your way to victory! Fighters are great at doing big strong melee attacks and smashing things to pieces!
Hunter	Default	+3 Dexterity, +2 Luck, -1 Constitution, -2 Speed	Shoot things from afar! Hunters are great at hitting things from a distance while staying out of danger themselves!
Tank	Default	+4 Constitution, -1 Intelligence, -1 Dexterity	Get in the way! Tanks are great at absorbing damage and pushing enemies around!
Mage	Default	+2 Intelligence, +2 Charisma, -1 Constitution, -1 Strength	Blast your foes! Mages are great at casting all sorts of crazy spells and dealing elemental damage!
Cleric	Complete the Alley	+2 Charisma, +2 Constitution, -1 Speed, -1 Dexterity	Be the best friend! Clerics are great at keeping your team alive and helping them recover from taking hits!
Thief	Complete the Sewer	+4 Speed, +1 Luck, -1 Strength, -1 Constitution	Attack from the shadows! Thiefs are great at evading hits, collecting coins, and striking from behind!
Necromancer	Complete the Junkyard	+2 Constitution, +1 Charisma, -2 Strength	Rise from the dead! Necromancers are great at playing with corpses and leeching life from enemies!
Tinkerer	Complete the Shelter	+4 Intelligence, -1 Luck, -1 Charisma	A crafty inventor! Tinkerers are great at crafting temporary weapons and using all sorts of crazy gadgets!
Druid	Complete the Crater	+3 Charisma, +1 Luck, -2 Constitution	One with nature! Druids are great at summoning animal friends and come with a special Crow counterpart!
Butcher	Complete the Core	+3 Constitution, +2 Strength, -2 Speed	Meat meat meat meat meat! Butchers are great at cleaving chunks of meat off of things and have a hook to pull stuff towards them!
Psychic	Complete the Moon	+1 Intelligence, +1 Charisma, +1 Speed, -1 Constitution	Clear your mind! Psychics are great at manipulating things from afar and moving objects with their minds! Psychics also have +5 starting mana.