Pastime Abbreviations and Acronyms
- HSIIHistorische Szenarien Ii
- HTQHit The Quan
- HUHWhat
- HXNHumanity Exist Nowhere
- HYGHyper Youth Gaming
- IBFPIn Before Fighter Pilot
- IDBPIn-Depth Battlepedia
- IDCI Don'T Care
- IDKI Don'T Know
- IDZIjime Dame Zetqai
- IECInvisible Escape Car
- IFIronforge
- IFIronforge (World of Warcraft City)
- IFAInternet Football Association
- IFCTItalian Federation Ced Tournaments
- IFGSInternational Fantasy Gamer S
- IGBIllinois Gaming Board
- IGLInternet Gaming League
- IGMIn-Game Management
- IGNIntense Gaming Network
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