| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Jabato | Aventuras A.D. | 1989 | Spanish | Solution, Map |
| Jack | Jose Vicente Ruiz (Joruiru) | 2010 | Spanish | |
| Jaime I El Conquistador | Aventuras A.D. | ? | Spanish | |
| Jason | SOS | 1992 | Spanish | Solution |
| Jerusalem's Lot | Salvador Camacho | 2009 | Spanish | |
| Jesus Gil, Heroe Nacional | 3PSOFT | 1990 | Spanish | |
| Johnnie Verso | Wazertown Works | 1991 | Spanish | Solution, Map |
| Johny Melabo | Whalkira Software | 1987 | Spanish | |
| Johny Vayna | Pedro Amador Lopez | 1989 | Spanish | |
| Joya de Dagor, La | Ediciones Ingelek, Sindin Soft | 1987 | Spanish | Solution |
| Joya de Urklya, La | Jose Luis Carrasco | ? | Spanish | |
| Joya Misteriosa, La | Ediciones Forum | 1986 | Spanish | |
| Juanito 3 | 3PSOFT | ? | Spanish | |
| Juanito en Busca de Su Baloncito | 3PSOFT | 1989 | Spanish | |
| Jueves 12 y Sabado 14 | New Frontier | ? | Spanish | |
| jug2k | Antonio Márquez Marín |
2005 | Spanish |