Adventurer Conqueror King System vs Dungeons & Dragons 3.5 Edition

Compare Adventurer Conqueror King System and Dungeons & Dragons 3.5 Edition side by side. See differences in complexity, dice, genre, and more.

	Adventurer Conqueror King System	Dungeons & Dragons 3.5 Edition
Genre	Fantasy	Fantasy
Tags	Crunchy, Sandbox, Domain Management, Character Building, Simulation, Dungeon Crawl, Ascending AC	Ascending AC, Character Building, Classic Fantasy, Crunchy, Dungeon Crawl, Tactical, Vancian Casting
Core Mechanic	Roll d20 + modifiers vs. a target value for attack throws, saving throws, and proficiency throws. 18 classes across core (Fighter, Explorer, Thief, Mage, Crusader, Venturer), campaign (Assassin, Barbarian, Bard, Bladedancer, Paladin, Priestess, Shaman, Warlock, Witch), and demi-human archetypes. 110 proficiencies and 378 spells. Characters progress from adventurers to domain rulers with integrated systems for strongholds, realms, mercantile ventures, criminal syndicates, armies, pitched battles, and sieges.	Roll a d20, add relevant modifiers, and compare the total to a target number. An equal or higher total succeeds. Ability checks, skill checks, attack rolls, and saving throws use this framework. Combat uses initiative and defined action types, while damage dice are rolled after a hit.
Dice	d20	d20
Complexity	High	Very High
Availability	Paid	Paid
Runnability	4 of 5 book tools	5 of 5 book tools
License	All Rights Reserved	OGL v1.0a (SRD); core books proprietary
Third-Party Publishing	Not yet researched	Not yet researched
Publisher	Autarch LLC	Wizards of the Coast
Year	2024	2003
Languages	English	English
Best For	Groups who want a B/X-rooted OSR game that seamlessly scales from dungeon crawling to ruling kingdoms, with deeply integrated economics, domain management, and mass combat.	Groups running fantasy campaigns that want class-based character advancement, prepared-spell resource planning, and position-sensitive combat. It also supports GMs who want encounter construction, monsters, treasure, and campaign procedures in the core set.
Highlights	Detailed domain and kingdom management rules, economics and mercantile systems are integrated throughout, mass combat scales from skirmishes to wars, 18 classes with quick-start templates, builds on B/X foundations	Class levels, skills, and feats create distinct mechanical advancement paths for characters. Grid combat combines initiative, movement, action types, attacks of opportunity, and special attacks into positional decisions. The Dungeon Master's Guide and Monster Manual supply encounter, campaign, and creature-construction procedures alongside player rules.
Considerations	540+ page rulebook is intimidating, tightly coupled subsystems, fantasy-only with narrow genre support, very high GM prep for domain-level play	Character creation requires choices across race, class, ability scores, skills, feats, equipment, and spells. Spellcasting uses separate class lists, spell levels, daily spell counts, and preparation rules. Encounter design requires the GM to reconcile challenge ratings, creature statistics, treasure, and adventure procedures.