Which Expansion

Unstable Unicorns expansions

Base game: 2–8 players30–45 minUnstable Games / TeeTurtle7 expansions checked
  1. #1 overall

    Unstable Unicorns: Nightmares

    Worth it

    BGG rates it 7.43 from 133 ratings, the top score among full 54-card packs. It adds horror-themed cards, including Nightmare Downgrades, with no new rules to teach.

    Needs: Just the base game

    Adds: Horror-themed Character, Magic, Upgrade, Instant and Nightmare Downgrade cards plus Baby Unicorns, 54 cards in total.

    Expansion2–8 playersAbout the same rules loadBest for casual groupsPrice: Under $20
    DetailsReference:View on BoardGameGeekBuy:TeeTurtle
  2. #2 overall

    Unstable Unicorns: Adventures

    Worth it

    BGG rates it 7.37 from 276 ratings, second to Nightmares among full packs. It adds non-Neigh Instants and choose-your-effect cards instead of more of the same Neigh play.

    Needs: Just the base game

    Adds: Instant cards that are not Neigh cards, flexible choose-an-effect cards, a new cast of characters and adventure-themed art, in a 54-card pack.

    Expansion2–8 playersAbout the same rules loadBest for casual groupsPrice: Under $20
    DetailsReference:View on BoardGameGeekBuy:TeeTurtle
  3. #3 overall

    Unstable Unicorns: Unicorns of Legend

    Worth it

    BGG rates it 7.13 from 546 ratings, above Dragons (7.0) and Rainbow Apocalypse (6.92). It is a straight card-variety add with no new rules.

    Needs: Just the base game

    Adds: A 54-card pack of battle-hardened unicorns and magic cards that follow the base game structure.

    Expansion2–8 playersAbout the same rules loadBest for casual groupsPrice: Under $20
    DetailsReference:View on BoardGameGeekBuy:TeeTurtle
  4. #4 overall

    Unstable Unicorns: Dragons

    Depends on your group

    BGG rates it 7.0 from 877 ratings, a middling score. Buy it for the dragon theme; the Kickstarter version has 27 fewer cards, so check which copy you get.

    Needs: Just the base game

    Adds: Dragon-themed Upgrade, Downgrade and Magic cards plus new Unicorns, 54 cards in total.

    Expansion2–8 playersAbout the same rules loadBest for casual groupsPrice: Under $20
    DetailsReference:View on BoardGameGeekBuy:TeeTurtle
  5. #5 overall

    Unstable Unicorns: Christmas Special

    Depends on your group

    BGG rates it 7.46 from 130 ratings, but only 36 cards and holiday-only theme. Worth it only if you play at Christmas.

    Needs: Just the base game

    Adds: Holiday-themed Character, Magic, Upgrade and Downgrade cards in a 36-card pack.

    Mini expansion2–8 playersAbout the same rules loadBest for casual groupsPrice: Under $20
    DetailsReference:View on BoardGameGeekBuy:TeeTurtle
  6. #6 overall

    Unstable Unicorns: Rainbow Apocalypse

    Depends on your group

    BGG rates it 6.92 from 785 ratings. BGG posters say the Apocalypse cards stretch playtime too much, and TeeTurtle listed it unavailable on 2026-10-15.

    Needs: Just the base game

    Adds: Two 27-card sets in one pack: Rainbow Sprinkles (cute cards) and Apocalypse (destructive cards), 54 cards in total.

    Expansion2–8 playersAbout the same rules loadBest for experienced groupsPrice: Under $20
    DetailsReference:View on BoardGameGeekBuy:TeeTurtle
  7. #7 overall

    Unstable Unicorns: NSFW Pack (Uncut Unicorns)

    Depends on your group

    BGG rates it 6.74 from 842 ratings, lowest of the packs. A BGG poster still calls it the best one to start with, but it is an adults-only deck.

    Needs: Just the base game

    Adds: 54 adult-themed cards that you shuffle into the base deck, or two packs together for a full adult game.

    Expansion2–8 playersAbout the same rules loadBest for casual groupsPrice: $20–$40
    DetailsReference:View on BoardGameGeekBuy:TeeTurtle

Need the base game?

Reference:View on BoardGameGeekBuy:TeeTurtle

Stuck between two?

Unstable Unicorns expansions: quick answers

Which Unstable Unicorns expansion should I buy first?

Unstable Unicorns: Nightmares. BGG rates it 7.43 from 133 ratings, the top score among full 54-card packs. It adds horror-themed cards, including Nightmare Downgrades, with no new rules to teach.

Is Unstable Unicorns: Nightmares worth it?

Our verdict: worth it. It adds: Horror-themed Character, Magic, Upgrade, Instant and Nightmare Downgrade cards plus Baby Unicorns, 54 cards in total.

Unstable Unicorns: Nightmares or Unstable Unicorns: Adventures: which first?

We’d buy Unstable Unicorns: Nightmares first. See the side-by-side comparison for what each adds and needs.

Other games’ expansion guides

Same publisher

Rankings are our editorial picks, built from the reviews linked on each expansion page. Last checked 2026-10-15.