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Hollow World Campaign Setting is a 224-page sourcebook for Basic Dungeons & Dragons released in July 1990.

Official synopsis[]

THE KNOWN WORLD: IT ISN'T FLAT, BUT IT IS HOLLOW.

Within the sphere of the Know World is another world, the Hollow World. There your characters will meet ancient Nithians, long disappeared from the surface world and thought extinct: Blacklore Elves, living in a magical valley and served by automatons-devices that take care of everything, from serving their food to trimming their grass: Azcans, terrifying, war-mongering natives whose taste for battle extends even into their favorite game-the loosers always die- and many more. Monsters abound as well, from dinosaurs to aurochs.

In the Hollow World, the sun never sets. Magic works differently than it does "outside"-some spells don't work at all. And quite often, getting in is much, much easier than getting out.

A 128-page Dungeon Master's Sourcebook, with everything the DM needs to run an exciting campaign in the Hollow World. Also in this book are extensive entries on all the Immortals represented in the Hollow World: their interests, their allies, their enemies.

A 64-page Player's Book, including how-to's for creating a native Hollow World character and ways to bring a Known World character into the Hollow World. Included in this are new spells specifically for the Hollow World.

A 32-page Adventure Book, containing several starter adventures and entries on the various monsters found in the Hollow World.

Four full-size, full-color map sheets, showing the Know World and the Hollow World, and detailing the central, most populous areas of the Hollow World.

Ways and means to adapt this material to the Advanced Dungeons & Dragons 2nd Edition game!

Note on the Softcover edition: While the Hollow World Campaign Setting was originally a box set, this print edition combines the Dungeon Master's Sourcebook, Player's Book, and Adventure Book, plus the maps, into a single softcover tome.

Content[]

Development and release[]

Development[]

The book was written by Aaron Allston, Karen S. Boomgarden and Bruce Heard. Art was provided by Tom Baxa, Fred Fields, Dennis Kauth, Dave LaForce and Mark A. Nelson.

Release[]

Hollow World Campaign Setting was released by TSR in July 1990 for $[missing data] US or $[missing data] Canadian.

On April 05, 2016, it was re-released in digital format. It is currently available on DriveThruRPG and Dungeon Masters Guild for $9.99.

Reception and influence[]

Critical reception[]

As of 2023, Hollow World Campaign Setting reached the rank of Platinum seller on DriveThruRPG.

Influence on other works[]

External links[]

References[]


Basic Dungeons & Dragons
Core rules
Holmes: Basic Set
Moldvay/Cook B/X: Basic SetExpert Set
BECMI: Basic RulesExpert RulesCompanion RulesMaster RulesImmortals Rules
Rules CyclopediaThe New Easy to Master Dungeons & Dragons Game
The Classic Dungeons & Dragons Game
Supplements
Creature CrucibleGazetteer
Bestiary of Dragons and GiantsThe Book of Marvelous MagicThe Book of Wondrous InventionsChampions of Mystara: Heroes of the Princess ArkCreature CatalogueCreature CatalogPoor Wizard's Almanac & Book of FactsPoor Wizard's Almanac II & Book of FactsPoor Wizard's Almanac III & Book of FactsThe Shady Dragon InnThunder RiftWrath of the Immortals
Adventures
In Search of Adventure (In Search of the Unknown) • The Keep on the BorderlandsPalace of the Silver PrincessThe Lost CityHorror on the HillThe Veiled SocietyRahasiaJourney to The RockCastle Caldwell and Beyond) • Adventures in BlackmoorTemple of the FrogCity of the GodsThe Duchy of TenArena of ThyatisLegions of ThyatisEye of TraldarThe Dymrak DreadKing's FestivalQueen's HarvestAssault on Raven's RuinThe Best of IntentionsBlade of VengeanceBlizzard PassCastle AmberCrown of Ancient GloryCurse of XanathonDeath's RideThe Dragon's DenDrums on Fire MountainEarthshaker!The Endless StairEye of the WyvernFive Coins For A KingdomThe Gem and the StaffGhost of Lion CastleThe Goblin's LairThe Immortal StormIn the Phantom's WakeInto the MaelstromThe Isle of DreadMaze of the Riddling MinotaurThe Knight of NewtsLathan's GoldLegacy of BloodMaster of the Desert NomadsMystery of the Snow PearlsNight's Dark TerrorQuagmire!Quest for the HeartstoneQuest for the Silver SwordRage of the RakastaRed Arrow, Black ShieldSabre RiverSaga of the Shadow LordThe Savage CoastSkarda's MirrorSword and ShieldTalons of NightTemple of DeathTest of the WarlordsThunderdelve MountainThe Tree of LifeTwilight CallingVengeance of AlphaksThe War Rafts of KronWhere Chaos ReignsThe Wrath of OlympusWrath of the Minotaur