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Adventurer Conqueror King System
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Adventurer Conqueror King System

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Your Journey from Adventurer to King Begins Now!

Enter a world where empires totter on the brink of war, and terrible monsters tear at the fragile borderlands of men; where decaying cities teem with chaos and corruption, nubile maidens are sacrificed to chthonic cults and nobles live in decadent pleasure on the toil of slaves; where heroes, wizards, and rogues risk everything in pursuit of glory, fortune, and power. This is a world where adventurers can become conquerors – and conquerors can become kings.

Will you survive the perils of war and dark magic to claim a throne? Or will you meet your fate in a forgotten ruin beyond the ken of men?

The Adventurer Conqueror King System™ (ACKS) is a new fantasy role-playing game that provides the framework for epic fantasy campaigns with a sweeping scope. With the Adventurer Conqueror King System™ you can:

  • Play 12 different classes, including the fighter, mage, thief, cleric, assassin, bard, bladedancer, explorer, dwarven craftpriest, dwarven vaultguard, elven nightblade, and elven spellsword.
  • Easily customize your character using a unique, optional proficiency system. Make your fighter a berserker or your mage a necromancer!
  • Buy, sell, and trade common merchandise, precious silks and spices, and even monster parts and magic items in a balanced and integrated game economy.
  • Construct strongholds, establish kingdoms, and carve out a realm for your character.
  • Run a thieves' guild and send your minions to carouse, smuggle, steal, and commit other hijinks.
  • Establish a wizard's sanctum and explore the forbidden arts. Crossbreed horrific monsters in an underground laboratory, enact powerful magical rituals, build golems, craft magic items, or even transform yourself and your followers into undead monsters.
  • Build and run a living world for adventure on a grand scale. With game mechanics built to support emergent play, ACKS is the ultimate RPG for sandbox campaigns.

Whether you want to crawl through dungeons, trade with merchant caravans, run a merchant emporium, conquer an empire, or even raise an undead legion, ACKS supports your playstyle with simple, fast-playing game mechanics.

If you like ACKS, be sure to check out Secrets of the Nethercity, the new kilo-dungeon for ACKS, crowdfunding now at Kickstarter.

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Reviews (11)
Discussions (9)
Customer avatar
Rafael S February 05, 2021 2:18 am UTC
Hello everyone, i was wondering if it's existed a GM screen for ACK and if so, it is sell separatly from the main book or is it not ?
Customer avatar
Alexander M February 06, 2021 12:14 am UTC
Hello Rafael - there is not an official GM screen but we have a fan-made GM screen available at our website. It's at under "Downloads". Cheers!
Customer avatar
Rafael S February 13, 2021 12:57 pm UTC
Oh thanks you am gonna take a look ^^
Customer avatar
Charles B January 17, 2021 3:03 am UTC
Outside of the core rules what do you recommend getting to start with?
Customer avatar
Alexander M February 06, 2021 12:18 am UTC
If you're running in a standard D&D-style setting and aren't initially interested in mass combat, warfare, strongholds:
-- ACKS Core + Player's Companion + Lairs & Encounters

If you are very interested in mass combat, warfare, strongholds, add:
-- Domains at War: Campaigns
-- AXIOMS Compendium
Add in Domains at War: Battles if you like tabletop miniature wargames like Warhammer Fantasy or Warmachine.

If you want to play in the Auran Empire campaign setting, add (in this order, as you play through the setting):
- Auran Empire Primer
- Sinister Stone of Sakkara
- Capital of the Borderlands
- Secrets of the Nethercity
- Ruined City of Cyfandir
- Eyrie of the Dread Eye
- Sepulcher of the Sorceress-Queen

If you are interested in trying out alternative settings such as high fantasy, swords & sorcerery, or renaissance muskets-and-magic, get one of these:
- Heroic Fantasy Handbook (LOTR/Earthsea/Hyboria)...See more
Customer avatar
Esteban M August 17, 2020 1:00 pm UTC
I just recently found about this game.
Since I missed the Kickstarter, I missed on a great quality printing (at least the one I saw on YouTube was of great quality).
How good is this POD version compared to that?
Customer avatar
Alexander M August 18, 2020 9:35 pm UTC
The POD quality is good. It's not as good as the beautiful KS book, but it is more than serviceable at the gaming table.
I personally play with the POD version and so does most of my personal group.
Customer avatar
Esteban M September 01, 2020 2:14 am UTC
We shall see!
Everything I've read about the game is just pure awesomeness... So I decided to buy every single one of the books available for printing
Customer avatar
Alexander M September 03, 2020 1:44 am UTC
Thanks so much for the support!!
Customer avatar
Italo I March 06, 2020 5:02 pm UTC
Ok, so this is basically a "hack", but on which edition of D&D is based?
Customer avatar
Alexander M March 06, 2020 5:09 pm UTC
Moldvay/Cook BX and Mentzer BECMI.
Customer avatar
Italo I March 07, 2020 6:43 am UTC
Thank you very much!
Customer avatar
Aaron J September 10, 2019 12:56 am UTC
Any chance we could get a version of this PDF with black line-art on 'white' pages for those chapter headings? Each one of those pages consumes a few hundred 'normal text' pages worth of toner. It's just too expensive to print out a copy of this book for the table. I prefer to keep my hard/soft cover copies untouched by sticky Dorito'd fingers on my shelf.
Customer avatar
Andrew O April 20, 2018 9:43 pm UTC
I have just recieved hardback copy having previously bought PDF. Happy with both.
Got the PDF to check it out. transitioned Dwimmermount game over from Dungeons and Delvers low level game I'd been running using Labyrinthe Lord version.
Little bit simpler than full D&D rules cyclopeadia (not a bad thing) but with more detail for character domains and campaign development whilst having similar feel.
Good job!
Customer avatar
Ciaran W January 14, 2017 4:23 pm UTC
The PDF appears to be coming out blank. Is this a known issue or is the problem on my end?
Customer avatar
Alexander M January 15, 2017 5:48 pm UTC
Ciaran, that's not a known issue. If you're continuing to have problems let me know and I can send you a coupon for a new download.
Customer avatar
Thaddeus M June 09, 2016 1:34 am UTC
I recently purchased the pdf/combo of the ACKS main rule book through I am extremely disappointed with the quality of the printing. The paper is thin, flimsy and see through. Very cheap feeling. The print and tables are look like they were printed on home office inkjet a printer running out of ink, they are muted and hard to read. The hard cover binding is fine but the paper and printing is just awful.

I regret paying a premium price of $30 for this product.
Customer avatar
Alexander M June 09, 2016 1:37 am UTC
Thaddeus, I'm sorry to hear your book came out so badly. We here at Autarch don't control the quality of the printing process unfortunately - it's standardized at each tier - but if you email us at I will address your problem directly. Thanks for checking out ACKS.
Customer avatar
Thaddeus M June 09, 2016 11:03 pm UTC
Alex and his team quickly resolved this issue. Thank you for offering superior customer service.
Customer avatar
March 22, 2015 3:10 pm UTC
In the current version of the PDF there are issues in the Monsters chapter. Specifically, the images (e.g. Elf, Gnome, Ghoul) cover up text. Is it possible to correct this? Thank you in advance.
Customer avatar
Alexander M March 25, 2015 2:36 pm UTC
George, it's been fixed - please let us know if the latest version has any issues.
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This title was added to our catalog on February 01, 2012.
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