 PlayStation Underground was eventually merged with "Official U.S. PlayStation Magazine", a now-defunct monthly video game magazine, published by who?
PlayStation Underground: PlayStation Underground is a now-defunct American video game magazine, originally published by Sony Computer Entertainment America. PlayStation Underground:  The magazine was eventually merged with "Official U.S. PlayStation Magazine" in 2001 when it was discontinued. Official U.S. PlayStation Magazine: Official U.S. PlayStation Magazine (often abbreviated to OPM) is a now-defunct monthly video game magazine, published by Ziff Davis Media.
Ziff Davis Media