
- BGG rank
- BGG #5,398
- BGG rating
- 8.0
Purple Haze
- 1–4 players
- 90–720 min
- Complexity 2.9/5
- 2024

2009
Rules assistance for World War IV: One World, One King
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

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Answers come from the official rulebook, with the page to check.
World War IV: One World, One King is a board game released in 2009 for 3–5 players and 240 minutes per game. It was designed by Brian Hunley and its main mechanics are Area Movement, Dice Rolling, and Events.
Description: The year is 3126 A.D. Humanity is on the brink of extinction. World War III bombed civilization back to the Dark Ages. Hundreds of years later new global powers rise from the ashes of a shattered Earth. Kings of five major nation-states send their armies to battle among the ruins. These kings must act quickly to unite all mankind under a single leader. Lost technology is reverse engineered in a massive arms race, and the rediscovery of the atomic weapons is right around the corner...if used again the human race will not survive! Conquer the world in an epic game of battles, strategy and assassination!
World War IV: One World, One King supports 3–5 players according to the catalogue. This range comes from the publisher’s listed player count, so the game can be set up for any group size within it. Some setups, rules and scoring details may still vary by player count, so check your edition’s rulebook for the exact configuration.
The listed playing time for World War IV: One World, One King is 240 minutes. This is the publisher’s estimate for a full game. The actual duration depends on the group, the player count and familiarity with the rules: first sessions usually run longer, while experienced groups often finish faster. Setup and teaching time are not included in this estimate.
World War IV: One World, One King has a complexity rating of 2.6 out of 5 from BoardGameGeek players, which makes it a medium-light game. The rating reflects how much rules knowledge, planning and decision-making a typical game demands. Expect a longer first teach for heavier games, and use a preparation guide before game night.
World War IV: One World, One King belongs to these categories: Economic, Wargame, and Science Fiction. Its main mechanics are Area Movement, Dice Rolling, and Events. Categories describe the theme and setting of a game, while mechanics describe what players actually do on their turns. Each mechanic links to a catalogue hub with similar games, which helps when you want something comparable.
The credited designers of World War IV: One World, One King are: Brian Hunley. These credits come from the published game data and name the people responsible for the game’s design, not its illustrators or publishers. Designer pages on MeepleRules collect other titles by the same designers, which helps when you enjoy a game and want to find similar ones.
The catalogue lists World War IV: One World, One King as a base game. It can be played on its own with the components in the box and does not require any other title. Expansions, if any exist, add new content or rules on top of it and are listed separately in the catalogue with a link back to this base game.