In the past, Adventurers League adventures were split up into “Seasons”. Each season was related to a specific Wizards of the Coast hardcover D&D adventure.

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Older seasons are still legal to play.

Just ignore the AL rules built into the PDF and instead run them under the current AL rules per the current ALPG and ALDMG available from Documents.

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Expeditions

For the first three seasons, Adventurers League was originally called “Expeditions”. Adventure codes started with “DDEX”.

All of these adventures are playable by Forgotten Realms characters only.

Season Adventure Codes Season Name Related Hardcover
1 DDEX1-xx Tyranny of Dragons Hoard of the Dragon Queen and The Rise of Tiamat
2 DDEX2-xx Elemental Evil Princes of the Apocalypse
3 DDEX3-xx Rage of Demons Out of the Abyss

Adventurers League

Starting in Season 4, Expeditions was renamed to “Adventurers League”. Adventure codes changed to begin with “DDAL”.

With the exception of Season 4, all of these adventures are playable by Forgotten Realms characters only. Season 4 is playable by Forgotten Realms or Ravenloft characters.

Season Adventure Codes Season Name Related Hardcover
4 DDAL4-xx Curse of Strahd Curse of Strahd
5 DDAL05-xx Storm King’s Thunder Storm King’s Thunder
6 DDAL06-xx Yawning Portal Tales from the Yawning Portal
7 DDAL07-xx Tomb of Annihilation Tomb of Anihilation
8 DDAL08-xx Waterdeep Waterdeep: Dragon Heist and Waterdeep: Dungeon of the Mad Mage
9 DDAL09-xx Avernus Rising Baldur’s Gate: Descent into Avernus
10 DDAL10-xx Plague of Ancients Icewind Dale: Rime of the Frostmaiden

Dungeoncraft “Seasons”

During Season 10, Wizards of the Coast introduced the Dungeoncraft (DC) program, a way for the community to create their own adventures. Season 10 DC adventures were prefixed with “DC-PoA”.

After Season 10, Wizards of the Coast stopped producing their own AL adventures. Instead, the community took over the production of AL adventures as new hardcovers were released. The program was also expanded to include other AL campaigns, such as Dragonlance and Ravenloft.

Adventure Codes Related Hardcover AL Campaign
DC-PoA-xxx Icewind Dale: Rime of the Frostmaiden Forgotten Realms
WBW-DC-xxx The Wild Beyond the Witchlight Forgotten Realms
SJ-DC-xxx Spelljammer: Adventures in Space Forgotten Realms
PS-DC-xxx Planescape: Adventures in the Multiverse Forgotten Realms
DL-DC-xxx Dragonlance: Shadow of the Dragon Queen Dragonlance
RV-DC-xxx Van Richten’s Guide to Ravenloft Ravenloft
EB-DC-xxx Eberron