UNO Slam

Mattel, Inc., Spear's Games · Board game · 1996
— Ludopedia 5.5 BGG 2–10 · best 5, 6, 7 — Weight 2.0/5
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— rating Ludopedia
5.5 rating BGG
Our Verdict
HIGHLY RECOMMENDED

If you love UNO and want extra hype, UNO Slam gives you the perfect mix of pressure and fun.

Highlights
  • Fast‑paced action
  • Easy to learn
  • Great for parties
Keep in mind
  • Loud sound effects
  • Harsh penalties
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About the game

What you do in a play session

UNO Slam arrives as an electrified twist on the classic UNO, adding a burst of adrenaline to every move. The game includes the standard 108‑card deck plus an electronic unit with a big red button and two card holders. The key rule change is simple: after playing a card that matches in color, number or symbol, the player must slam the button before the device emits a ‘BOING’ sound. Miss the beat and you draw four extra cards, potentially flipping the game in an instant. The unit’s timer is adjustable, giving easy, medium or hardcore settings for kids, families, or friends who like a faster pace. As in regular UNO, a player with one card left must shout “UNO!” to avoid a penalty. The mix of hand management, lose‑a‑turn and take‑that effects makes for a quick, tense, and laugh‑filled experience, ideal for short rounds or party‑game marathons. While there’s no official playtime, games typically run 15–30 minutes, depending on player count (2‑10) and chosen difficulty. In short, UNO Slam turns the familiar card game into a race against the clock, delivering noisy fun for the whole family.

Best player count

BGG community vote

2–10 players
2 OK
3 REC
4 REC
5 BEST
6 BEST
7 BEST
8 REC
9 REC
10 REC

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Game details

Mechanics, categories, families and credits

Families

Card Games: Matching Game: UNO
Publisher Mattel, Inc., Spear's Games

Community

Data from BoardGameGeek

3owners
4wishlist

Frequently Asked Questions

Quick answers before you buy

6 questions
How many players can join?
2 to 10 players, making it great for larger groups.
How long does a game last?
Typically 15–30 minutes, depending on player count and chosen difficulty.
What is the minimum age?
Recommended for ages 6 and up, though younger kids can play with adult supervision.
What’s included in the box?
The standard 108‑card UNO deck plus the electronic unit with a red button and two card holders.
How does the difficulty work?
The device features a timer that can be set to easy, medium or hard, adjusting the speed needed to slam the button.
Do I have to shout ‘UNO’?
Yes, when you have one card left you must call ‘UNO’ before playing, or you’ll be penalized with extra cards.

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