Welcome to the
Arkham Investigators League

Your agency is formally invited to join the Arkham Investigators League. Come, join us in the parlor as we swap tales of eldritch beings and thwarted oblivion.

Open InvestigationJoin the Discord

What is the Arkham Investigators League?

The Arkham Investigators League takes the branching narrative of an Arkham Horror LCG campaign and asks "how well did you win?" or "how badly did you lose?" by comparing your results against other agencies playing the same campaign.  We use measurable stats like Agenda and Act progress along with Investigator damage, horror, and XP. Results are shared at the conclusion of each scenario along with Campaign and Overall ratings.

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Join the Discord

The Discord is the center of the Arkham Investigators League community.  This is where you want to be to talk to other players, discuss strategy, share your victories, commiserate in your defeats, and maybe even join an Agency!

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The Dunwich Legacy



Primary Investigator

  • "Ashcan" Pete

Secondary Investigators

  • Jenny Barnes
  • Rex Murphy

Tertiary Investigators

  • Jim Culver
  • Zoey Samaras

Weakness Pool

Core Box & The Dunwich Legacy Weaknesses

Important Dates

  • Scenario I-A & I-B [Deadline - June 15th, 2023]
  • Scenario II: The Miskatonic Museum [Deadline - June 22nd, 2023]
  • Scenario III: The Essex County Express [Deadline - June 29th, 2023]
  • Scenario IV: Blood on the Alter [Deadline - July 6th, 2023]
  • Scenario V: Undimensioned and Unseen [Deadline - July 13th, 2023]
  • Scenario VI: Where Doom Awaits [Deadline - July 20th, 2023]
  • Scenario VII: Lost in Time and Space [Deadline - July 27th, 2023]

Carnevale of Horrors



Primary Investigator

  • Agnes Baker

Secondary Investigators

  • Roland Banks
  • Daisy Walker

Tertiary Investigators

  • Winifred Habbamock
  • Wendy Adams

Weakness Pool

Core Box & The Dunwich Legacy Weaknesses

Important Dates

  • Scenario Deadline - September 17th, 2023

The Path to Carcosa



Primary Investigator

  • Sefina Rousseau

Secondary Investigators

  • Akachi Onyele
  • Mark Harrigan

Tertiary Investigators

  • Minh Thi Phan
  • Lola Hayes

Weakness Pool

Core Box & The Path to Carcosa Weaknesses

Important Dates

  • Scenario I: Curtain Call [Deadline - November 1st, 2023]
  • Scenario II: The Last King [Deadline - November 8th, 2023]
  • Scenario III: Echoes of the Past [Deadline - November 15th, 2023]
  • Scenario IV: The Unspeakable Oath [Deadline - November 22nd, 2023]
  • Scenario V: A Phantom of Truth [Deadline - November 29th, 2023]
  • Scenario VI: The Pallid Mask [Deadline - December 6th, 2023]
  • Scenario VII: Black Stars Rise [Deadline - December 13th, 2023]
  • Scenario VIII: Dim Carcosa [Deadline - December 20th, 2023]

Campaigns Still to Come

  • Night of the Zealot
  • Return to The Dunwich Legacy
  • Return to The Path to Carcosa
  • The Forgotten Age
  • The Circle Undone
  • The Dream-Eaters
  • The Innsmouth Conspiracy
  • Edge of the Earth
  • The Scarlet Keys
  • The Feast of Hemlock Vale

Standalone Adventures

  • Curse of Rougarou
  • The Labyrinths of Lunacy
  • Guardians of the Abyss
  • Murder at the Excelsior Hotel
  • The Blob That Ate Everything
  • War of the Outer Gods
  • Machinations Through Time
  • Fortune and Folly
  • Barkham Horror

And Much More...


Set-up will follow the standard rules printed in the official rule books with minimal to no adjustments needed.  Be sure to check the Open Investigations section to be sure you're following the proper constraints. Your Agency will be completing a single attempt at each Scenario and tracking your Campaign progress as you go.

Investigator Selection

You will play with one to four investigators, sticking together for the entire campaign unless someone is killed or goes insane. The available Investigators for each Campaign will be listed in Open Investigations above. The Primary Investigator must be used, followed by the Secondary Investigators.  If all Secondary Investigators are claimed, you can start using the Tertiary Investigators. Players can play up to two Investigators, each.  So, a 2-player Agency can complete a 2, 3, or 4-player campaign or they can even play a 1-player campaign if an Agency member sits this one out.


The latest reporting page can be found below the Open Investigations section and should be filled out after the completion of each Scenario. The entire campaign is open to submissions starting day 1 and the submission form has a "Save" button in the bottom right corner of each page so you can leave and pick up where you left off. Each Scenario has a deadline which can be found under Open Investigation. If you miss a deadline, your Agency will be considered defeated for the remaining Scenarios in the Campaign. You can play through your campaign as slowly or as quickly as you wish, assuming you meet each Scenario's Deadline. Results of each Scenario will be shared in the following days, pending my availability.

Reporting Questions

  • Your Agency - Self-explanatory
  • Investigators - The Investigators your Agency played during the match.
  • Resolution Achieved - Self-explanatory
  • Remaining Health, Sanity, and Unspent XP - The values of each category after finishing each Scenario.
  • Agenda Stage and Doom Accumulated - The Stage of the Agenda at the end of the Scenario along with the number of Doom Counters on the board.
  • Act Stage - The Act Stage at the end of the Scenario along with the number of discovered clues if applicable.
  • Objective Progress - Progress mode towards listed Objective based on current Act Stage.
  • Comments -These questions are (usually) optional and are used to improve future rounds, determine user opinions.


At the end of each Scenario, I'll release Scenario Rankings, Campaign Rankings, and Overall Rankings on the Discord.  We use what's referred to as "Themed Scoring" to determine scores and rankings.  Think of scoring like a Yelp! rating for your Investigation Agency where you are graded by your clients and compared to other local Investigation Agencies.  

Agenda Score = Act Score > Investigator Score > XP

Where does each score come from?

  • Agenda Score - Agenda progress and accumulated Doom Counters
  • Act Scores - Act Progress and clues gathered.
  • Investigator Score- Calculated based on your Investigator's remaining Damage and Sanity.
  • XP - Calculated based on difficulty of each Scenario.

What cards are legal to use in League play?

Any officially released card can be used assuming you are following the proper deck-building constraints of your investigator.  At this time there is no penalty or bonus regarding the use or avoidance of Taboo cards.  This will be re-evaluated in the future.

I missed Campaign X.  Can I still enter?

Not at this time.  Don't worry though.  Campaigns will come and go with time.

I made a mistake on my reporting form. Can I fix it?

Using the "Save and Continue" function of the submission form should give you the ability to go back and edit mistakes.  If a mistake is notices after the deadline, reach out to InnsmouthBear.

What is proper "practice Round" etiquette?

Everyone has their own personal feelings on this issue.  Some replay the scenario until they are comfortable. Others dive right in acknowledging the chaos of Arkham Horror and accepting it as part of the experience. There is no set in stone rule other than when playing an official match, play it to the end and do not turn a practice match into an official match just because it's going well. Official matches should be played in their entirety knowing that it is an official match.

What are Agencies?

An Agency is a group of 1-4 Arkham Investigators League members who work together to face the unknown and the unknowable.  An agency must be formed in order to enter the Arkham Investigators League.

How Do Agencies Work?

An Agency plays together through each Campaign and has their score tracked throughout. Not every player is required to join every campaign. If a player is not able to play in a Scenario from time to time, the other members of the Agency can fill their spot in order to maintain the number of investigators across each Scenario in a Campaign.  The same Agency could play a 2-player game in one Campaign and a 4-player game in a future campaign as long as they stick to the same number of investigators across a single campaign.

Who Can Start or Join an Agency?

Agencies are open to all and required to start entering results in the Arkham Investigators League.

How Do I Start an Agency?

Registering an Agency can be done through the form below!

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