The most popular games are often followed by a sequel, or more than one. The most popular series go so far to have 5 or more sequels. Here are the series for which there are three or more games.
| series | # of games |
|---|---|
| Bard's tale, The | 3 |
| Battle chess | 3 |
| Carmen Sandiego | 6 |
| Commander Keen | 7 |
| Dizzy | 3 |
| Doom | 3 |
| Duke Nukem | 4 |
| Epic pinball | 3 |
| Eye of the beholder | 3 |
| Ford simulator | 3 |
| King's quest | 3 |
| Kyrandia | 3 |
| Laura Bow | 3 |
| Leisure Suit Larry | 4 |
| Lemmings | 4 |
| Magic Candle, The | 4 |
| Might and Magic | 3 |
| Police Quest | 4 |
| Quest for glory | 3 |
| Space Quest | 5 |
| Spellcasting | 3 |
| Street sports | 3 |
| Tolkien software adventures | 4 |
| Ultima | 9 |
| Wing commander | 4 |
| Zork | 4 |