11-X, WEP, Midway, CyberPlayGround, FACE – los nombres rechazados por Microsoft para la primera Xbox- MAX (Microsoft Action Experience)
- AIO (All In One)
- MIND (Microsoft Interactive Network Device)
- FACE (Full Action Center)
- MITH (Microsoft Interactive Theatre)
- XON (Experience Optimised Network)
- MVPC (Microsoft Virtual Play Center)
- TAC (Total Action Center – discs/games could be called TACs)
- MARC (Microsoft Action Reality Center)
- LEX (Live Entertainment Experience)
- M-PAC (Microsoft Play and Action Center)
- RPM (Real Performance Machine)
- MOX (Microsoft Optimal Experience)
- E2 (Extreme Experience)
- MTG (Microsoft Total Gaming)
- VIP (Virtual Interactive Player)
- PTP or P2P (Powered To Play)
- VIC (Virtual Interactive Center – disks/games could be called VICs)
- MARZ (Microsoft Active Reality Zone)
- TSO (Three, Six, Zero)
- EHQ (Entertainment Headquarters)
- O2 (Optimal Ozone or Optical Odyssey)
- MIC (Microsoft Interactive Center)
- R&R (Reality and Revolution)
- MEA (Microsoft Entertainment Activator)
- AMP (Active Microsoft Player)
- VPS (Virtual Play System)
- MAP (Microsoft Action Play)
- MEGA (Microsoft Entertainment & Gaming Attendant or Microsoft Entertainment & Gaming Assembly)
- CPG (CyberPlayGround)
- VERV (Virtual Entertainment & Reality Venture)
- OM (Odyssey of the Mind)
- P2 (PowerPlay)
- IS1 (Interactive System In One)
- MET (Microsoft Entertainment Technology or Microsoft Entertainment Theatre)