Donald X. Vaccarino (born 1969) is an American board and card game designer. He published the card game Dominion in 2008, which won the Spiel des Jahres award along with many others, and has had 15 expansions, 2 of which have been combined into one.[1] Dominion and its expansions have sold more than 2.5 million copies worldwide, as of 2017.[2] His 2012 game Kingdom Builder also won the Spiel des Jahres award.[3]
With Dominion, Vaccarino has been credited with pioneering the genre of deck-building games.[4] Dominion has been studied academically as a test-bed for how evolving game rules can create balanced play.[5]