
- BGG rank
- BGG #741
- BGG rating
- 7.8
Star Trek: Ascendancy
- 3 players
- 180 min
- Complexity 3.2/5
- 2016

Rules assistance for Warhammer 40,000: Index – Xenos 1
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.
Warhammer 40,000: Index – Xenos 1 is an expansion for Warhammer 40,000 (Eighth Edition) released in 2017 for 2–12 players, 120–180 minutes per game, and ages 12 and up. Its main mechanics are Variable Player Powers, Dice Rolling, and Point to Point Movement.
Description from the publisher: One of five books covering the range of Citadel miniatures used to play games of Warhammer 40,000, Index: Xenos 1 is an essential purchase for those wanting to play games of Warhammer 40,000, packed with updated rules and complete points values for Aeldari – Craftworld Eldar, Dark Eldar and Harlequins – or Necron armies. It contains 124 datasheets covering the range of Aeldari and Necron miniatures, with overviews of each army. Updated abilities, psychic powers, wargear, weapon profiles and points values allow you to field your collection in games of Warhammer 40,000. There’s also a blank army roster and detachment roster, which you are free to photocopy and use when building a Battle-Forged army in Matched Play games. Covered in the 128-page softback book: Craftworlds An overview of the Craftworld Aeldari (formerly Eldar); A Craftworlds army list, with an explanation of the Craftworld keyword, the Runes of Battle and Runes of Fate psychic disciplines and the Battle Focus and Ancient Doom Abilities; * 45 datasheets for Craftworld Aeldari miniatures. Drukhari An overview of the Drukhari (formerly Dark Eldar); A Drukhari army list, with an explanation of the Kabal, Wych Cult and Haemonculus Coven keyword and the Power From Pain and Combat Drugs Abilities; 32 datasheets for Drukhari miniatures. Harlequins An overview of the Harlequins; A Harlequins army list, with an explanation of the Masque keyword, the Phantasmancy psychic discipline and the Rising Crescendo Ability; 8 datasheets for Harlequins miniatures. Ynnari An overview of the Ynnari (an Eldar alliance of followers of Ynnead introduced in the Gathering Storm); An Ynnari army list, with an explanation of the Reborn keyword, the Revenant psychic disciplineand the Strength From Death Ability 3 datasheets for Ynnari miniatures. Necrons An overview of the Necrons. A Necrons army list, with an explanation of the Dynasty keyword, Reanimation Protocols, Living Metal, and Powers of the C'Tan Abilities; 36 datasheets for Necron miniatures.
Warhammer 40,000: Index – Xenos 1 supports 2–12 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 Warhammer 40,000: Index – Xenos 1 is 120–180 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.
The catalogue lists Warhammer 40,000: Index – Xenos 1 for ages 12 and up. This is the publisher’s recommendation and reflects reading demands, rule complexity and small components rather than theme alone. Younger players can often join with help from an adult, so check the age guidance on your edition and consider your group’s experience with board games.
Warhammer 40,000: Index – Xenos 1 belongs to these categories: Wargame, Miniatures, and Science Fiction. Its main mechanics are Variable Player Powers, Dice Rolling, and Point to Point Movement. 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 catalogue lists Warhammer 40,000: Index – Xenos 1 as an expansion for Warhammer 40,000 (Eighth Edition). Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Warhammer 40,000 (Eighth Edition) to use it. Check that your edition of Warhammer 40,000 (Eighth Edition) is compatible, as some expansions were revised between editions.