| Slot Machine |  All the Way to the Bank | 2004 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | All'Abbordaggio | 2011 | Top Counter Barcelona, Spain |
| Slot Machine | All-Star Poker - Multi-Game | 2008 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | All-Star Poker II | 2012 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Allan Capone | 2003 | Compu-Games A.S. Esbjerg, Denmark |
| Slot Machine | Allan Quatermain - Riches of the Pharaoh 3-reel | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Allan Quatermain - Riches of the Pharaoh 5-reel | 2004 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Alle Elf | 1931 | DEWAG Hannover, Germany |
| Slot Machine | Alle Neune | 1953 | POS Automatenbau |
| Slot Machine | Alle Zehn - Toto Tiper | 1953 | Suag |
| Slot Machine | Alley Cats | 200? | Spectre Gaming, Inc. Plymouth, MN, USA |
| Slot Machine | Allfred | 1998 | ADP Merkur GmbH Gauselmann Group Germany |
| Slot Machine | Allies Flags | 1916 | Automatic Novelty Co. London, England |
| Slot Machine | Allotria | 1955 | Wolf, Erwin |
| Slot Machine | Almantes | 200? | Rubio Y Gaytan, S.A. |
| Slot Machine | Almaznaya Komnata | 200? | SlotSoft |
| Slot Machine | Almighty Ramses II | 201? | EGT Euro Games Technology, Ltd. Bulgaria |
| Slot Machine | Aloha | 2004 | Subsino Co., Ltd. |
| Slot Machine | Aloha | 200? | Kaiser Spiele Gauselmann Group Germany |
| Slot Machine | Aloha Gold | 200? | Konami Industry Co., Ltd. Japan |
| Slot Machine | Aloha Honey | 2014 | Astra Games, Ltd. Novomatic Group Bridgend, Mid Glamorgan UK |
| Slot Machine | Aloha Paradise | 2009 | Aristocrat Leisure Industries Pty, Ltd. |
| Slot Machine | Aloha Paradise | 200? | Aristocrat Leisure Industries Pty, Ltd. |
| Slot Machine | Aloha Party | 2011 | EGT Euro Games Technology, Ltd. Bulgaria |
| Slot Machine | Alpha | 1980 | Compu-Games A.S. Esbjerg, Denmark |
| Slot Machine | Alphamat | 19?? | Unknown |
| Slot Machine | Alpine Adventure Life of Luxury Progressive | 2006 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Alpine Rush | 2011 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Always American | 2010 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Always Full Grand Prize | 1931 | Caille Bros. Co., The Detroit, MI, USA |
| Slot Machine | Always Hot | 2004 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Always Hot deluxe | 2008 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Always Hot deluxe NovoLine | 2013 | AGI Austrian Gaming Industries Novomatic Group |
| Slot Machine | Amazing Amazonia P-Series | 2011 | EGT Euro Games Technology, Ltd. Bulgaria |
| Slot Machine | Amazing Escape Win It Again | 2010 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Amazing Keno | 2005 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Amazing Money Machine | 200? | Aristocrat Leisure Industries Pty, Ltd. |
| Slot Machine | Amazing Night Model PK-209AN | 200? | Paokai Electronic Enterprise Co., Ltd. Taiwan |
| Slot Machine | Amazing Sevens | 2006 | WMS Gaming, Inc. Chicago, IL, USA |
| Slot Machine | Amazing Sweet | 200? | Gamey Industries |
