| Slot Machine |  Palace of Riches | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Palace of Riches II G+ | 200? | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Palace of Riches III Hot Hot Super Respin | 2008 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Panda Riches Max Win | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Panda's Jade Hot Hot Super Jackpot | 2008 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Parrots of the Caribbean | 1995 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Parrots of the Caribbean | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Party Pooper | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Password | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pay Dirt | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pay Dirt | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pay'n Double | 1996 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pay'n Triple | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Payback Time | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pegasus | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pegasus II Reel 'em In! Compete to Win! | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Peng-Wins | 2011 | WMS Gaming, Inc. Chicago, IL, USA |
| Video Slot Machine | Perfect Game | 1999 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Perfect Match | 1999 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Periscope Pays Battleship - Team Compete to Win | 2011 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Persephone 5x4 Bonus Jackpots | 2011 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pharaoh's Fortune | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pharaoh's Pyramid Extra Extra Luck | 2007 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pharaoh's Pyramid Mermaid's Gold | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pharaohs of the Deep 5x4 Bonus Jackpots | 2011 | WMS Gaming, Inc. Chicago, IL, USA |
| Video Slot Machine | Pick One Poker | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pick Your Fortune | 2002 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pick-N-Spin | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Piggy Bankin' | 1996 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Piggy Bankin' Ultra Hit Progressive | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pirate Battle | 2011 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pirate Ship G+ Deluxe 5x4 | 2011 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pirate's Getaway G+ Mechanical | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Pirate's Thunder | 1995 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Planet Loot | 2007 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Plataea Hot Hot Super Respin | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Play that Pays! | 1997 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Plinko The Price is Right | 2011 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Polynesian Princess Great Wall | 2007 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Power 7's X-Treme Reels | 200? | WMS Gaming, Inc. Chicago, IL, USA |
