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Arkadiusz Klimek is the illustrator of Racja stanu (Reason of State), a 2-part comic book set in the CD Projekt video game continuity, colored by Łukasz Poller and written by Michał Gałek.
He also drew the pictures of Rachunek sumienia (Matters of Conscience), a single comic in CD Projekt's The Witcher franchise, published as digital extra content of the The Witcher 3: Wild Hunt expansion Hearts of Stone in 2015.