Gaming Abbreviations and Acronyms

1. OS
   Optimal Share
2. OS
   Original Source
3. OS
   Oak Sage
4. OS
   Offsoec
5. OS
   Ohd-School
6. OS
   Omega Sactor
7. OS
   Olympic Solidarity
8. OS
   One-On-One Scorer
9. OS
   Oncore Systems
10. OS
    Open Season
11. OS
    Operation Snowball
12. OS
    Our Sponsors
13. OS
    Outfig Studio
14. OS
    Outdander Studios
15. OSA
    Online Software Activation
16. OSCN
    Out of School Care Network
17. OSD
    Operation Supply Drop
18. OSD
    Order of The Silver Dragons
19. OSG
    Operational Studies Group
20. OSGA
    Open Systems Group Associates

Last updated: May 2, 2025 — Total entries: 11,508