The Ystari Box comprises expansions for six Ystari games:

• Caylus Magna Carta: The Favors - small gameboard to add a few king's favors to the game (as in its parent game, Caylus), new set of prestige buildings, components for a fifth player
• Amyitis: The Palace - small gameboard with two additional characters
• Yspahan: The Souks - small deck of cards to replace those in the base game with mostly new abilities
• Sylla: Caveant Consules - small deck of cards with new characters, projects, and events
• Metropolys: Extension Cards - a few new goal cards
• Mykerinos: The Nile - (only in Rio Grande Games edition, making six expansions in that edition)