| Slot Machine |  Wolf Run MultiPLAY | 2009 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Wonders of Egypt | 200? | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Woolly Mammoth | 2013 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | World Poker Tour - Hold 'Em | 2007 | IGT International Game Technologies Reno, NV, USA |
| Video Slot Machine | World Poker Tour - Multi-Strike - Super Video Hold 'Em | 2007 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | World Safari | 2010 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | World Safari - Arctic Circle | 2011 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | World Safari - Bengal Fever | 2011 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Wu Fu | 2005 | IGT International Game Technologies Reno, NV, USA |
| Video Slot Machine | Wu Xing | 2010 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Wurlitzer Model 139A | 199? | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Wurlitzer Model 213B | 199? | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Xstar | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Xstatic | 2006 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Yin Yang | 2016 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Yokozuma | 2006 | IGT International Game Technologies Reno, NV, USA |
| Video Slot Machine | Young Frankenstein | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Z Dice | 1999 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Zillion Gators | 2015 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Zingo | 1999 | IGT International Game Technologies Reno, NV, USA |
| Video Slot Machine | Zodiac Riches | 2010 | IGT International Game Technologies Reno, NV, USA |
| Video Slot Machine | Zuma 3D | 2016 | IGT International Game Technologies Reno, NV, USA |
