Afterwards, he worked at Arkane Studios in Lyon, then became a design supervisor for ZeniMax Media after the release of Dishonored.

[citation needed] In 2010, Antonov wrote and designed the graphic novel The Colony: A Structure Celebrating the Triumphs of Technology, a magic realist narrative with his own accompanying visuals.

[citation needed] Antonov died in February 2025, at the age of 52.

[2] The news emerged from an Instagram post by Half-Life's lead writer, Marc Laidlaw.

In his message, Laidlaw described Antonov as a "visionary," calling him "brilliant and original" and saying he "made everything better".