Dungeons & Dragons D20 System (OGL)

Secondhand / used d20 System roleplaying game books from Third party publishers compatible with Dungeons & Dragons 3rd and / or 3.5 edition*.

Any RPG books compatible with D&D 4th and 5th editions are generally found in our Dungeons & Dragons subcategory

*Books with the d20 trademark used a Wizards of the Coast (WotC) System reference document that is Open Game Content (OGC) for licensed parties to use under the Open Game License (OGL).

Showing all 16 results

1001 Science Fiction weapons revised ed. d20 System (2007) POD
Sale! Original price was: $6.00.Current price is: $5.10. Read more out of stock
d20 Modern – core rulebook (2002)
Sale! Original price was: $58.00.Current price is: $49.30. Add to cart
d20 Modern – d20 Cyberscape (2005)
Sale! Original price was: $51.00.Current price is: $43.35. Add to cart
d20 Modern – d20 Future (2004)
Sale! Original price was: $38.00.Current price is: $32.30. Add to cart
d20 Modern – d20 Future tech (2006)
Sale! Original price was: $53.00.Current price is: $45.05. Add to cart
Dragonstar rpg Starfarer’s handbook d20 (2001)
Sale! Original price was: $14.25.Current price is: $12.11. Add to cart
FUDGE Gamemastering Secrets 2nd ed d20 (2002)
Sale! Original price was: $15.00.Current price is: $12.75. Read more out of stock
Legend of the Five Rings RPG 2nd ed. Rokugan Campaign setting (2004) As is.
Sale! Original price was: $20.00.Current price is: $17.00. Add to cart
Legend of the Five Rings RPG 2nd ed. Secrets of the Lion (2003)
Sale! Original price was: $34.00.Current price is: $28.90. Add to cart
Legend of the Five Rings RPG 2nd ed. Secrets of the Scorpion (2003)
Sale! Original price was: $36.00.Current price is: $30.60. Add to cart
Legends & Lairs Giant Lore d20 (2003)
Sale! Original price was: $8.45.Current price is: $7.18. Read more out of stock
Mutants & Masterminds 2nd ed OGL Bedlam City (2008) POD
Sale! Original price was: $6.95.Current price is: $5.91. Add to cart
Mutants & Masterminds 2nd ed OGL Nocturnals (2006)
Sale! Original price was: $13.00.Current price is: $11.05. Add to cart
Mutants & Masterminds 2nd ed OGL Paragons (2007)
Sale! Original price was: $10.45.Current price is: $8.88. Add to cart
Spycraft setting: Shadowforce Archer world book (2002)
Sale! Original price was: $13.45.Current price is: $11.43. Read more out of stock
Sword & Sorcery: Scarred Lands – Creature collection II Dark Menagerie (2001)
Sale! Original price was: $15.00.Current price is: $12.75. Read more out of stock

Showing all 16 results

1001 Science Fiction weapons revised ed. d20 System (2007) POD

d20 Modern – core rulebook (2002)

d20 Modern – d20 Cyberscape (2005)

d20 Modern – d20 Future (2004)

d20 Modern – d20 Future tech (2006)

Dragonstar rpg Starfarer’s handbook d20 (2001)

FUDGE Gamemastering Secrets 2nd ed d20 (2002)

Legend of the Five Rings RPG 2nd ed. Rokugan Campaign setting (2004) As is.

Legend of the Five Rings RPG 2nd ed. Secrets of the Lion (2003)

Legend of the Five Rings RPG 2nd ed. Secrets of the Scorpion (2003)

Legends & Lairs Giant Lore d20 (2003)

Mutants & Masterminds 2nd ed OGL Bedlam City (2008) POD

Mutants & Masterminds 2nd ed OGL Nocturnals (2006)

Mutants & Masterminds 2nd ed OGL Paragons (2007)

Spycraft setting: Shadowforce Archer world book (2002)

Sword & Sorcery: Scarred Lands – Creature collection II Dark Menagerie (2001)