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Oleg Koreyba (Russian: Олег Корейба) is a Ukrainian game developer currently employed by 4A Games. He works there as a Character Artist, having created content for Metro Exodus since 2015 and participated in the work on the studio's previous games also.

Koreyba has years of experience in the gaming industry - including working on Metro 2033, MotoGP 09/10, Risen 2: Dark Waters, Fast & Furious: Showdown, as well as Metro Exodus. In the years 2001-2004, he was employed by GSC Game World. Oleg has been working for 4A Games since 2007.


  • Among many other projects, Koreyba has designed the heads of numerous characters in Metro Exodus.