The Melee expansion for Chaostle introduces eight new characters and their battle cards, including the Ogre, Gargoyle, Prince, Warrior, Ghoul, Enchantress, and the Dragon Maiden.

In addition to a solitaire version of the game ("Black Stones"), the Melee expansion also allows players to purchase siege weapons, track new treasury, trade with the shady merchant to acquire magic items and potions, and collect Magic and Summons cards to boost your forces or cast spells on your opponents.