Arkane Studios developed the multiplayer component of Activision 's Call of Duty .
This including developing the multiplayer component of EA 's Call of Duty : World at War , and helping with `` design , animation , and art '' for 2K Marin 's BioShock 2.While trying to grow the Austin studio , Colantonio met with Harvey Smith , a game developer that he had meet earlier in his career and kept in contact with .