| Slot Machine |  Nickel Party | 2005 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Nickel Riches | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Nickels Deluxe | 1995 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Night of the Wolf | 2013 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Night Sky | 2007 | IGT International Game Technologies Reno, NV, USA |
| IGT Super Player's Edge Plus ROM kit | No Faces Pay the Aces Poker Model X002287P | 1995 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Noah's Ark | 2010 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Nobunaga no Yabou II | 2007 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Normal Bar & Cherry symbols 5-Payline | 199? | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Normal Bar & Cherry symbols Model 06B | 199? | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Normal Bar 5-Coin Multiplier | 199? | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Northern Lights | 2007 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Nurse Follies | 2002 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | NYDD | 2004 | IGT International Game Technologies Reno, NV, USA |
| Online Slot | Ocean Belles MegaJackpots | 201? | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Ocean Pearl | 2007 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Ocean Queen | 199? | IGT International Game Technologies Reno, NV, USA |
| Video Slot Machine | Ocean Spirit | 202? | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Oceans of Gold | 2017 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Odyssey | 1996 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Off the Deep End | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Office Party | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Oktoberfest | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Old Havana Bettor Chance | 2007 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Old Money | 2011 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Olympic Gold | 1991 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | On Fire | 2006 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | On the Prowl Model 339A | 1997 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | One Eyed Jacks Wild Poker Model PP0542 | 1994 | IGT International Game Technologies Reno, NV, USA |
| IGT Player's Edge Plus ROM kit | One Eyed Jacks Wild Poker Model PP0797 | 1996 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | One Touch Bonanza | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | One, Two, Three Fortune | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Oodles of Poodles | 2011 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Oola Moolah | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Opponent Poker | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Oracles of Delphi | 201? | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Orca Classics Platinum | 2016 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Orca Classics | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Oregon Gold | 2005 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Othello | 2004 | IGT International Game Technologies Reno, NV, USA |
