Hocus pocus (magic) derived from the Protoslavic word "kusiti", which is itself derived from Gothic "kausajn" meaning "to try", "to attempt". This may indicate that the wording belongs to the alchemy kitchen and court of Rudolf II, Holy Roman Emperor (1552 – 1612). Also, "hocus" may mean "to cheat" in Latin or a distorted form of the word "hoc", "this". Combination of the two words may give a sense, especially both meanings together "this attempt/experiment" and "cheated attempt/experiment". According to the Oxford English Dictionary the term originates from "hax pax max Deus adimax", a pseudo-Latin phrase used as a magical formula by conjurors.
Deus Ex: The Fall closes with a "to be continued" message. The game was developed by N-Fusion Interactive under oversight by Eidos Montréal. The "Deus Ex: Human Revolution" team at Montréal, which included Jean-François Dugas, the director of both games, developed the original concept and worked in concert with the team at N-Fusion Interactive. The game utilizes the Unity engine. In March 2013 it was reported that Square Enix trademarked the phrase "Deus Ex: The Fall" and registered related domain names. In early June 2013, the official Twitter account of Eidos Montréal, the developer of "Deus Ex: Human Revolution", posted a message referring to