| Type | Game | Year | Publisher |
|---|---|---|---|
| PTC SOL-20 cass. | 1Queen | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | 3D-Tic Tactoe | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | 4 Lunarlander Games | 1978 | Hopkins, Ralph |
| PTC SOL-20 cass. | 6 Number Games | 1978 | Hopkins, Ralph |
| PTC SOL-20 cass. | Acey Duecey | 1981 | Hopkins, Ralph |
| BASIC soft. type-in | Baccarat | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Baccarat | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | Bagels | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | Bandit | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | Batnum | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Bball | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | BLKJAK | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Civil War | 1977 | Wilcoxon, Scot |
| PTC SOL-20 cass. | Concentration | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Crazy Eights | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | Darts | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | Dots and Pluses Number Game | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Drag | 1977 | MECC [Minnesota Educational Computing Corp.] |
| PTC SOL-20 cass. | Eight Men | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | French Fur Trader | 1977 | MECC [Minnesota Educational Computing Corp.] |
| UNIVAC I soft. | Galaxy | 1978 | Hopkins, Ralph |
| PTC SOL-20 cass. | Game of Dots | 1981 | Hopkins, Ralph |
| DEC PDP-10 soft. | Gamnim | 1970 | DECUS [Digital Equipment Computer Users' Society] |
| PTC SOL-20 cass. | Gamnim | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Golf 2 | 1978 | Hopkins, Ralph |
| PTC SOL-20 cass. | Graf - Spee | 1977 | Van Pelt & Hopkins |
| PTC SOL-20 cass. | Horse Race | 1978 | Vegland & Hopkins |
| PTC SOL-20 cass. | ICBM | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | Jotto | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | Luftwaffe | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Lunar - Module | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Mafia | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Market | 1978 | Hopkins, Ralph |
| PTC SOL-20 cass. | Modulo | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Oregon | 1978 | Hopkins, Ralph |
| PTC SOL-20 cass. | Race Car Driving Simulation | 1977 | MECC [Minnesota Educational Computing Corp.] |
| PTC SOL-20 cass. | Radar | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | Sailplane | 1978 | Hopkins, Ralph |
| PTC SOL-20 cass. | Snark | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Star Trek | 1978 | Hopkins, Ralph |
| PTC SOL-20 cass. | Star Trek | 1983 | Hopkins, Ralph |
| PTC SOL-20 cass. | Star Trek Simulation | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | Stock Crash | 1981 | Hopkins, Ralph |
| PTC SOL-20 cass. | Sub-Fight | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Sub-War | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | The New Clea Casino | 1981 | Pav, Richard |
| PTC SOL-20 cass. | Tic Tac Toe | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Twenty-One | 1978 | Hopkins, Ralph |
| PTC SOL-20 cass. | War | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Warfish | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Wumpus | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Xcoun | 1977 | Hopkins, Ralph |
| PTC SOL-20 cass. | Zorphwar - Super Space War | 1981 | Hopkins, Ralph |