| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Saffire | Woodfish | 2003 | English | |
| Samurai Tea Room | Ricardo Signes | 2003 | English | Solution, Map |
| Sardoria | Anssi Räisänen | 2003 | English | Solution, Map |
| Scavenger | Quintin Stone | 2003 | English | Solution |
| School's out for Rosh Hodes Adar II | Thomas Hainscho | 2003 | German | |
| Sell-Out | David Jacob Wildstrom | 2003 | English | Solution, Map |
| Sexual Conquest | Gunther Schmidl | 2003 | English | |
| Shadows on the Mirror | Chrysoula Tzavelas | 2003 | English | |
| Shapes | Radical Al | 2003 | English | Solution |
| Shinan's Road | Paul Allen Panks |
2003 | English | |
| Sin Sentido | Enrique D. Bosch | 2003 | Spanish | |
| Slouching Towards Bedlam | Daniel Ravipinto, Star C. Foster | 2003 | English | Solution |
| Sombra de la Luna Negra, La | Pablo Martínez Merino |
2003 | Spanish | |
| Sophie's Adventure | David Whyld | 2003 | English | Solution |
| Space Quest Zero: Replicated | Jeff Stewart | 2003 | English | |
| SpeedIF 19 | Harry Hol | 2003 | English | Solution, Map |
| Speedy Nummer II | Andrea Weikert | 2003 | German | |
| Sweet Dreams | Papillon | 2003 | English |