Catapult Kingdoms Deluxe Edition = core box +2exp
Catapult Kingdoms
https://boardgamegeek.com/boardgame/310789/catapult-kingdoms
Catapult Kingdoms: Siege Expansion
https://boardgamegeek.com/boardgameexpansion/330301/catapult-kingdoms-siege-expansion
Catapult Kingdoms: Artificer's Tower Expansion
https://boardgamegeek.com/boardgameexpansion/330302/catapult-kingdoms-artificers-tower-expansion