| Slot Machine |  18+ | 2008 | Bally Wulff |
| Slot Machine | 1889 | 1970 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | 1916 Bell | 1916 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | 1928 - Automatic Salesman | 1928 | Pace Mfg. Co. Chicago, IL, USA |
| Slot Machine | 199 | 2002 | Mega |
| Slot Machine | 2 Dragons | 2010 | EGT Euro Games Technology, Ltd. Bulgaria |
| Slot Machine | 2 for the Money Model 742A-232 | 1964 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | 2 for the Money Model 872 | 1970 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | 2 in 1 2003 | 2003 | Astro Corp. Taipei, Taiwan |
| Slot Machine | 2 Trunks | 200? | Aristocrat Leisure Industries Pty, Ltd. |
| Slot Machine | 2-10 Spot Keno | 2008 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | 2-Bits | 1902 | Caille Bros. Co., The Detroit, MI, USA |
| Slot Machine | 2-Way Bonus Super Bell | 1946 | Keeney & Co., J.H. Chicago, IL, USA |
| Slot Machine | 20 Ball Keno | 199? | Aristocrat Leisure Industries Pty, Ltd. |
| Slot Machine | 20 Ball Magic | 200? | Global Gaming |
| Slot Machine | 20 Diamonds | 201? | EGT Euro Games Technology, Ltd. Bulgaria |
| Slot Machine | 20 Super Hot | 200? | EGT Euro Games Technology, Ltd. Bulgaria |
| Slot Machine | 20 Super Hot Deluxe | 200? | EGT Euro Games Technology, Ltd. Bulgaria |
| Slot Machine | 20 Super Hot P-Series | 2011 | EGT Euro Games Technology, Ltd. Bulgaria |
| Slot Machine | 20 Years | 200? | Inder Madrid, Spain |
| Slot Machine | 2000 Guineas | 199? | Whittaker Bros. Lancashire, England |
| Slot Machine | 2000 Hulla | 1999 | F2 System Seoul, Korea |
| Slot Machine | 2001 Unity Poker | 2001 | Unknown Korea |
| Slot Machine | 2002 Crown of the Golden Bell | 2002 | GPS Co., Ltd. Game Power System Taiwan |
| Slot Machine | 2003 Crown of the Golden Bell | 2003 | GPS Co., Ltd. Game Power System Taiwan |
| Slot Machine | 21 Gambler | 200? | Barcrest USA IGT Group USA |
| Slot Machine | 21 Gambler | 2005 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | 24 Karat | 199? | Bally Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | 24 Karat | 2007 | Bally Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | 24 Karat Classic Winners | 200? | Bally Tech., Inc. |
| Slot Machine | 25 Carat Diamonds | 200? | Astra Games, Ltd. Novomatic Group Bridgend, Mid Glamorgan UK |
| Slot Machine | 25 Line Aces and Faces | 200? | Videobet Estonia |
| Slot Machine | 27 Ways to win Dazzling Dollars | 2013 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | 29-way | 1964 | Bally Mfg. Co. Chicago, IL, USA |
| Slot Machine | 2Can | 200? | Aristocrat Leisure Industries Pty, Ltd. |
| Slot Machine | 2nd Chance Royal Poker | 2010 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | 2x 10x 5x Bonus Times | 2008 | Bally Gaming, Inc. Las Vegas, NV, USA |
| Slot Machine | 2x 10x 5x Bonus Times | 2017 | Scientific Games Taipa, Macau |
| Slot Machine | 2x 10x 5x Bonus Times Multi-Game | 2014 | Bally Tech., Inc. |
| Slot Machine |  2x 7 2x - Wild Star | 2004 | IGT International Game Technologies Reno, NV, USA |
