In the video game Deus Ex. The Illuminati are a fictional branch of the original ancient secret organization dating back to 1792. The Bavarian Illuminati In the first game, they have been usurped from their position of power by Ex protege Bob Page and his splinter group "Majestic 12". A computer game is a game composed of a computer-controlled virtual universe that players interact with in order to achieve a defined goal or set of goals. ... Deus Ex is a computer game developed by Ion Storm and published by Eidos Interactive. ... 1792 was a leap year starting on Sunday (see link for calendar). ... The Illuminati is the name of many groups, modern and historical, real and fictitious, verified and alleged. ... Majestic-12 (sometimes written simply as MJ-12 or MJ-XII) is the codename of a secret committee, supposedly formed in 1952 to investigate UFO activity. ...

After the downfall of Majestic 12 at the end of the first game, the Illuminati return to power, though the worldwide Collapse in the game practically cripples all organisations around the world. In Deus Ex: Invisible War, the second game in the series, the world is beginning to reform itself after the Collapse. The Illuminati are back controlling much of the world as they always have, behind the scenes. After the death of Illuminati leader Morgan Everett from the first Deus Ex, Nicolette Duclare (daughter of Beth Duclare from Deus Ex 1 and another member of the Illuminati) is placed in joint charge of the Illuminati with her lover Chad Dumier, the former leader of rebel group Silhouette (who were at war with MJ-12). Deux Ex: Invisible War is a computer game. ...

The Illuminati have always secretly run the world 'behind the scenes'. They do so in two instances in Deus Ex: Invisible War. The fanatical idealistic worldwide religious group 'The Order' is led by 'Her Holiness' (who is really Nicolette Duclare), while capitalist WTO (World Trade Organisation) is controlled by Chad Dumier. While seemingly opposing each other, they are secretly working together (without the knowledge of even their own seconds in command for their organizations (Lin May-Chen for The Order and Donna Morgan for the WTO) to control both the world economic system and religion.

The ending for DX:IW (DX is used to abbreviate Deus Ex although it is not an accurate acronym), when the player sides with the Illuminati, is called 'The Age of Light'. Siding with them results in the Helios core and Aquinus Hub being placed in the orbital space station Opheila, from where the Illuminati monitor and control all communication and financial transactions in the world, thus bringing about a new era of capitalism.