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What does PSO stand for?

PSO stands for Phantasy Star Online

This definition appears very rarely and is found in the following Acronym Finder categories:

  • Slang/chat, popular culture

See other definitions of PSO

Other Resources:
We have 318 other meanings of PSO in our Acronym Attic

Samples in periodicals archive:

Phantasy Star Universe is the long-awaited sequel to SEGA's critically- acclaimed role-playing game series Phantasy Star Online, which has delighted game fans for years.
TOKYO -- Company Establishes Branch Office in Shanghai; Announces PHANTASY STAR ONLINE Blue Burst, CTRacer, and Shenmue Online SEGA(R) Corporation today announced plans to enter the China market for Online Game Business.