| Video Slot Machine |  Winning Bid | 1999 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Winning Bid 2 I-Play | 200? | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Winning Bid Classic | 200? | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Winning by a Landslide | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Winning Recipe | 2001 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Winning Streak | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Winning the Bank | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Winter Wolf G+ Deluxe | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Wish You Were Here Hot Hot Super Respin | 2008 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Witches Brew | 2008 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Wizard Spins G+ 5x4 | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Wolf Pack | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Wolf Spirit Life of Luxury Progressive | 2007 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Wolverton Classic Series | 2008 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | World Series of Poker | 200? | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | World Series of Poker - Final Table Bonus | 200? | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | X Marks the Spot | 2001 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | X Marks the Spot II Monopoly - Big Event | 200? | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | X Marks the Spot Super Multi Progressive | 2011 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | X-Factor Model 43 | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | X-Tra Hot 777 | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Xerxes Money Burst | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Yahtzee | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Yankee Doodle | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Yin & Yang | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | You Bet Your Life | 200? | WMS Gaming, Inc. Chicago, IL, USA |
| Video Slot Machine | Yukon Gold | 2000 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Zanzibar G+ Deluxe | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Zeus | 2005 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Zeus 9 | 2006 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Zeus II Hot Hot Super Respin | 2008 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Zeus III Reel Boost | 2011 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Zeus G+ Mechanical | 200? | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Zeus G+ | 2008 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Zeus Money to Burn Progressive | 2008 | WMS Gaming, Inc. Chicago, IL, USA |
