| Slot Machine |  MADMEN | 2014 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Magic Cherry | 2002 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Magic Crystal X-Treme Reels | 200? | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Magic Lamp | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Magic Show | 1996 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Magic Time G+ | 2008 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Magnetic 7's | 2002 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mah Jong Lightning | 2007 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Majestic Wolf G+ Mechanical | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Make me Rich | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Maori Riches Wrap Around Pays | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mardi Gras Madness | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Marvel IRON MAN | 2013 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mastros | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Match Game | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Max Your Edge | 2006 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mayan Sun G+ 5x4 | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Maze Man | 2001 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Medieval Madness | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mega Multiplier | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mega Multiplier 125X | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Melting Point | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mermaid's Gold | 1998 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mermaid's Treasure Model 56 | 1996 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mermaid's Wonders Gold Fish 2 | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mexican Gold | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | MIB - Men in Black | ???? | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | MIB - Men in Black - Galactic Payback | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | MIB - Men in Black - Partners in Cash | 2006 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | MIB - Men in Black - Riches of the Universe | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | MIB - Men in Black - Save the World | 2005 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mild to Wild | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Milk Money | 2001 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Millionaire Powerball | 200? | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Millionaire's Zone | 2000 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Millionaire's Zone | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mixing Millions | 2006 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Mojo Rising Cascading Reels | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Money | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Money Belt | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
