| Slot Machine |  Super 8 Ways Ultimate DX | 2000 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Super 8 Ways Ultimate Model 2011 | 1998 | Sigma Enterprises, Inc. Tokyo, Japan |
| Sega Game Gear cart. | Super Golf Model T-26017 | 1991 | Sigma Enterprises, Inc. Tokyo, Japan |
| Sega Game Gear cart. |  Super Golf Model T-26027 | 1993 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Surfin' USA | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | The Derby | 1975 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | The Derby Mark-II | 1976 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | The Derby Mark-III | 1981 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | The Derby Mark-IV | 1984 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | The Derby Mark-V | 1993 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | The Derby Mark-VI | 1995 | Sigma Enterprises, Inc. Tokyo, Japan |
| Nintendo Famicom cart. | Time Zone | 1991 | Sigma Enterprises, Inc. Tokyo, Japan |
| Medal video game | Transformers - Beast Wars II | 1998 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | TV Blackjack | 1974 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | TV-Poker | 1981 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | TV-Slot Conti | 1974 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | TV-Slot Spacon | 1974 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | TV-Slot 7's 3R5L | 1974 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | TV-Slot Bar 3R5L-F | 1974 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Twenty One | 197? | Sigma Enterprises, Inc. Tokyo, Japan |
| Nintendo Famicom cart. | Vegas Connection - Casino Kara Ai O Komete | 1989 | Sigma Enterprises, Inc. Tokyo, Japan |
| Arcade Video game | Waga Seishun no Arcadia | 1982 | Sigma Enterprises, Inc. Tokyo, Japan |
| Arcade Video game | Wanted | 1984 | Sigma Enterprises, Inc. Tokyo, Japan |
| Video Slot Machine | Wedding Bell | 1996 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Wheel Panic! | 199? | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Winning Progressive Joker's Double | 199? | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Winning Wheel - Bonus Spin X | 1999 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | Winning Wheel - Bonus Spin Z | 1999 | Sigma Enterprises, Inc. Tokyo, Japan |
| Slot Machine | World Cup 2002 | 2002 | Sigma Enterprises, Inc. Tokyo, Japan |
