| Slot Machine |  Blue Oxigen | 2007 | Bally Wulff |
| Slot Machine | Blue Poker | 2002 | Unknown Korea |
| Slot Machine | Blue Power X | 200? | ADP Merkur GmbH Gauselmann Group Germany |
| Slot Machine | Blue Seal Self Loading Jack Pot Bell Style 40 | 1929 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Self Loading Jack Pot Bell Style 50 | 1929 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Front Vender | 1927 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Jack Pot Front Vender Style 42 | 1930 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Jack Pot Front Vender Style 52 | 1930 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Jack Pot Vender Style 41 | 1929 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Jack Pot Vender Style 51 | 1929 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Jack Pot With Check Separator Style 41-S | 1929 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Jack Pot With Check Separator Style 51-S | 1929 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Twin Jack Pot Ball Gum Vender Model 2 | 1932 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Twin Jack Pot Front Vender Style 72 | 1931 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Twin Jack Pot Front Vender Style 82 | 1931 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Twin Jack Pot Front Vender Style 92 | 1931 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Twin Jack Pot Model 1 | 193? | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Twin Jack Pot Style 70 | 1931 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Twin Jack Pot Style 80 | 1931 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Seal Twin Jack Pot Style 90 | 1931 | Watling Mfg. Co. Chicago, IL, USA |
| Slot Machine | Blue Star Special Aristocrat Nevada | 196? | Ainsworth Consolidated Industries Pty., Ltd. Sydney, Australia |
| Slot Machine | Blue Star Special Aristocrat Olympic | 1966 | Ainsworth Consolidated Industries Pty., Ltd. Sydney, Australia |
| Slot Machine | Blue Whale Double Shot Game Plus | 2009 | Ainsworth Game Technology, Ltd. |
| Slot Machine | Blue Zoo | 2007 | Subsino Co., Ltd. |
| Slot Machine | Blue-Bell | 1949 | Mills Novelty Co. Chicago, IL, USA |
| Slot Machine | Blues N Bucks | 200? | Diamond Game CA, USA |
| Slot Machine | Boardwalk Bucks Monopoly Grand Hotel - Big Event | 2009 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Boardwalk Millionaire | 1999 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Bobble Time | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Bobby Dazzler | 197? | Aristocrat Automatics, Ltd. London, England |
| Slot Machine | Bobtail | 1941 | Jennings & Co., O.D. Chicago, IL, USA |
| Slot Machine | Bobtail Totalizer Mint Vender | 1941 | Jennings & Co., O.D. Chicago, IL, USA |
| Slot Machine | Bodymatch | 199? | CCI Coin Concept, Inc. East Brunswick, NJ, USA |
| Slot Machine | Bogart | 200? | Arfyc, S.A. |
| Slot Machine | Bogatyri | 200? | Premium Games |
| Slot Machine | Boingo! | 2001 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Boingy Beans - Bean to be Wild | 2012 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Bola De Oro 25.000 | 200? | CMC Cresmatic Madrid, Spain |
| Slot Machine | Bola Feliz | 200? | Kwang Yih Technology Dev. Co. Taichung City, Taiwan |
| Slot Machine | Bola Fortuna | 200? | Kwang Yih Technology Dev. Co. Taichung City, Taiwan |
