| Slot Machine |  Back in Black | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Back It Up Double Bonus Poker | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Baker's Dozen | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Ball-Jong Sangokushi | 2003 | Shoken Showa Giken |
| Slot Machine | Barkin' Bucks | 2003 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Barn Bucks | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Battle of the Exes | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Beach Boogie | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Bel Ami | 2003 | Bally Wulff |
| Slot Machine | Bet the Farm | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Big Bang | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Big Bucks Bonus | 2003 | Barcrest USA IGT Group USA |
| Slot Machine | Big Game Keno | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Big Times - Red White & Blue | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Big Times - Wild Cherry | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Big Times Buckaroos | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Big Times Diamond | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Bigfoot's Wild | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Bingo Bucks | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Bingo Carnival II Coin | 2003 | IGS Co., Ltd. International Game System |
| Slot Machine | Black Horse III | 2003 | Unknown Korea |
| Slot Machine | Black Rose II | 2003 | Unknown Korea |
| Slot Machine | Blackjack Xtra Model RVN-BLX | 2003 | Dragon Co., Ltd. |
| Slot Machine | Blast from the Past | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Blazing 7's Progressive | 2003 | Bally Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Blind Date Model ES151 | 2003 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Bling Bling | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Blue Ice | 2003 | Konami Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | Bonus Hand Triple Play Draw Poker | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Bonus Jacks Poker | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Bonus Spin ZX | 2003 | Aruze Corp. Japan |
| Slot Machine | Bonus Times Pay | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Bowzer's Rock n' Roll Party | 2003 | AC Coin & Slot USA |
| Slot Machine | Brew Ha Ha | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Buffet Mania | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Bulls Eye Keno | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Bustin' Loose | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Butterfly Sevens | 2003 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Can't Lose | 2003 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Caribic | 2003 | Mega |
