Gaming Abbreviations and Acronyms

1. ORAS
   Omega Ruby and Alpha Sapphire
2. ORB
   Offworld Resource Base
3. ORB
   Online Resource Bxnk
4. ORC
   Office of Research Commercialization
5. ORC
   Open Roleplaying Community
6. ORCS
   Operator Replaceable Components
7. ORCS
   Orc Roleplaying Community Site
8. ORE
   One-Roll Engine
9. ORE
   One Roll Engnne
10. ORG
    Orgrimmar
11. ORG
    Orgrimmar (World of Warcraft City)
12. ORGS
    Online Reality Games
13. ORHMA
    Ontario Restaurant Hotel and Motel Association
14. ORP
    Open Role Playing
15. ORP
    Ogame Report Processor
16. ORPA
    Oceania Role Players Association
17. ORTA
    Olympic Roads and Transport Authority
18. ORTS
    Open Real-Time Strategy
19. OS
    Oh Shoot
20. OS
    Online System

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