Card Games 🇺🇸United States20th century

Crazy Eights

Classic shedding card game (ancestor of UNO) — players discard cards matching top card by suit or rank; eights are wild + let player change suit. First to empty hand wins. Simple, fast, universal children's + family game worldwide.

📐card table⏱~15 min🌤indoor

Photo · Wikipedia

What is Crazy Eights?

Crazy Eights is a classic 'shedding' card game — players discard cards from hand trying to be first to empty their hand. Origins: 1930s USA (early versions) evolved from earlier European games like Swiss Mau-Mau + French Bataille + German Mau Mau (Mauscheln); named 'Crazy Eights' because 8s are wild in USA version. Direct ancestor of UNO (1971, Merle Robbins), which added color cards + special action cards (Skip, Reverse, +2, +4). 2-8 players (best with 3-6). Standard 52-card deck; if 3+ players, use 2 decks. Deal 5 cards each (2 players: 7 cards each); rest form stock pile. Top stock card turned face-up as first discard. Players take turns: MUST play card matching top discard by SUIT or RANK, OR play any EIGHT (wild — declares new suit for next player), OR draw from stock if no legal play. Draw until legal card found (or in some rules, one card + skip turn). Continue until player empties hand — winner. Scoring: point values on remaining cards (K/Q/J/10 = 10; A = 1; 2-7,9 = face value; 8 = 50 penalty!). Player who empties hand scores opponents' remaining card values. First to target score (typically 100 or 500) wins overall. Extremely popular children's + family game globally under different names: MAU MAU (Germany), SWITCH (UK), UNO's grandmother worldwide. Multiple variants add rules for 2s (draw penalty), Jacks (skip), etc.

Quick facts

How it works

Objective

Be first to discard all cards from your hand. Score opponents' remaining card values.

Match structure

Deal 5 cards each (7 if 2 players). Turn top card of stock face-up as first discard. Players in turn must play matching suit/rank OR any eight (wild). Cannot play → draw from stock. Play continues until one player empties hand. Score: winner gets sum of opponents' remaining card values.

Rules

Basic rules

Deal 5 (or 7 for 2-player)
Each player receives 5 cards (7 if only 2 players); remaining form stock pile.
First discard from stock
Turn top stock card face-up to start discard pile.
Match suit OR rank
On turn, play card matching top discard by suit or rank. E.g. if top card is 7 of hearts, play any heart OR any 7.
Eights are WILD
May play any 8 at any time; player declares which suit the next player must match.
Draw if no legal play
If no card matches suit/rank + no eight: draw from stock (typically 1 card; some rules until legal card found).
Empty hand = win the hand
First to discard all cards ends the hand; winner scores opponents' remaining card values.
Card scoring values (penalty)
8 = 50 (severe!); K/Q/J/10 = 10; A = 1; 2-7, 9 = face value (2=2, 3=3, etc.).
First to target (100 or 500) wins
Play multiple hands accumulating scores; target score varies by group agreement.

Advanced rules

Stock exhausted rule
If stock pile runs out, shuffle discard pile (except top card) as new stock. Some rules: game ends + count remaining cards.
Multiple 8s in a row
Playing 8 declares new suit; next player can play another 8 changing suit again, or matching the last declared suit.
Draw penalty variants
2 = next player draws 2 cards. Jack = skip next player. Some variants have Queen = reverse direction. UNO-style additions.
Ace variants
Some rules: Ace = skip; Ace = reverse; Ace = draw 4.
Mau Mau (German) variants
Additional rules: J = wish (like 8); 7 = draw 2; 8 = skip; 9 = reverse; Ace = another turn.
Switch (UK) rules
2 = draw 2; Jack = miss turn; 8 = wild; 5 = play another card.
Uno rules (evolution)
Uno added color cards, Skip, Reverse, +2, Wild, Wild+4 — direct commercial expansion of Crazy Eights.
Last card rule
In some variants: player with 1 card must say 'Last card!' or draw penalty.
Ace of Spades penalty
Some variants: Ace of Spades = draw 5 penalty.
Scoring cap 8 = 50 points
Getting caught with an 8 in hand costs 50 points — 5× value of face cards + huge risk incentive to play 8s.

Scoring

Winner (empty hand) scores sum of opponents' remaining card values. 8 = 50, face cards = 10, Ace = 1, number cards = face value.

Action	Points
Winner scores per opponent left cards	Sum of card values from all opponents' hands
Card values: 8	50 points each (huge penalty)
Card values: K/Q/J/10	10 points each
Card values: Ace	1 point
Card values: 2-7, 9	Face value (2=2, 3=3, ..., 9=9)
First to target total (100 or 500)	WIN overall game

Win condition · First player to reach target cumulative score (typically 100 or 500 points) over multiple hands.

Playing area

Called

card table

Dimensions

Any table; players sit around; central discard pile + separate stock pile.

Small table for 3-8 players. 52-card deck (or 2 combined for large groups). Central play area with stock pile + discard pile.

Equipment

Standard 52-card deck
Standard playing cards; use 2 decks combined for 5+ players.
Card table + seats
Any table works; players seated in circle.
Scorepad (optional)
For tracking cumulative scores over multiple hands to reach target 100-500 points.
Digital versions
Many apps: Crazy Eights Free, MSN Games, Cardgames.io etc.

Officiating

Self-officiated; family/casual game. Digital versions enforce rules automatically.

Strategies

Save eights for tight spots
Only play 8 when you have no other legal move OR strategically to block opponent about to win.
Watch opponents' draws
Note when players draw from stock (they don't have that suit); force them to draw more by playing that suit.
Suit switching with eights
When playing 8, choose suit opponent likely doesn't have (they've been drawing) — extends their hand.
Discard high cards early
Get rid of 8s (50-point penalty!) + face cards (10 pts) early; keep low cards for endgame.
Don't hoard suits
If you have 5 hearts, opponents will avoid hearts; harder to discard them later.
Reserve last card discretion
When down to 1 card, play strategic card that lands you an easy win regardless of opponent's response.
Count remaining cards
As stock depletes, track cards played to anticipate remaining suit distribution.
Block winning opponent
If opponent about to win, play 8 changing to suit they don't have; buys time.

Terminology

Shedding game: Card game family where objective is to empty hand.
Discard pile: Central face-up pile of played cards.
Stock / Draw pile: Face-down pile of undealt cards used to draw.
Wild card: Card that can be played on any suit; declares new suit (eights in this game).
Follow suit: Play card matching suit of top discard.
Follow rank: Play card matching rank of top discard.
Mau Mau (German): German name for Crazy Eights family; extensive action card variants.
Switch (UK): British name; similar rules with 2s + Jacks as action cards.
Last card: Warning when down to 1 card (must announce in some variants or draw penalty).
Skip: Action card causing next player to lose turn (variant rules).
Draw 2 / Draw 4: Action cards forcing next player to draw cards (variant rules; UNO added these).
Reverse: Action card reversing turn direction (variant rules; UNO added).
Wild + Draw 4 (UNO): UNO card that both changes color + forces next player draw 4.

Major competitions

No professional world championship — casual game
n/a · n/a
UNO World Championship (descendant game)
annual · worldwide · since 2006
Casual online Crazy Eights (MSN, Cardgames.io)
continuous · worldwide online · since 2000

Where it is played

Governing bodies

No formal governing body — folk / family game
n/a
Mattel (owns UNO — commercial descendant of Crazy Eights)
Founded 1945 · El Segundo, CA, USA

Famous names & records

Famous athletes

No professional Crazy Eights players — universal folk/family game
Merle Robbins (USA) — inventor of UNO (1971), commercial descendant of Crazy Eights

Records

Global player estimate
worldwide — 500+ million casual players (including UNO + Mau Mau + Switch) (2020)
Original Crazy Eights year
USA card game history — ~1930s-40s USA (formal name) (1940)
UNO copies sold since 1971
Mattel — 150+ million copies (2020)
Longest single hand
Various casual records — 20+ minutes possible with heavy draw + multiple 8s (2020)

Learn this sport

beginner

1
Learn basic rules with family
5-minute explanation; kids as young as 6 can play; universal family game.
2
Play many casual hands
Focus on legal plays + when to use 8s; strategy comes naturally.
3
Try variants (UNO, Mau Mau, Switch)
Similar core game with different action cards; expands strategic depth.

intermediate

1
Card counting basics
Track played cards + suits; anticipate opponent hand composition.
2
8-holding strategy
Save 8s for critical moments — endgame blocks or forced suit changes.
3
Multi-player positioning
In 4+ player games, don't help player behind you; block player about to win.

advanced

1
Optimal play analysis
Study game theory optimal plays; some AI research on Crazy Eights + Uno solvers.
2
Learn UNO variants
UNO Flip, UNO Attack, UNO Dare — expanded ruleset teaches transferable skills.
3
Speed variants (Spit, Slap Jack)
Related shedding games with reflex + speed elements.

Frequently asked

How do you play Crazy Eights?+

2-8 players. Deal 5 cards each (7 if only 2 players); rest form stock pile. Turn top stock card face-up as first discard. Players take turns: MUST play card matching top discard by SUIT or RANK, OR play any EIGHT (wild — declare new suit), OR draw from stock if no legal play. Continue until one player empties hand — that player wins the round + scores opponents' remaining card values. 8s cost 50 points if left in hand! First to target score (typically 100 or 500) wins overall game.

What's the relationship between Crazy Eights and UNO?+

UNO is a commercial descendant of Crazy Eights — invented 1971 by Merle Robbins of Reading, Ohio, USA. Robbins essentially took Crazy Eights + replaced standard cards with special colored cards (Red, Yellow, Green, Blue instead of suits) + added action cards (Skip, Reverse, Draw 2, Wild, Wild Draw 4). Core game identical: match color/number, wild cards change color, first to empty hand wins. Mattel bought rights 1992; UNO now sells 150+ million copies, played globally. Crazy Eights remains 'free' folk version using any standard deck.

What are Mau Mau and Switch?+

Regional names + variants of Crazy Eights: MAU MAU (Germany, Austria, Central Europe) — probably originates from Swiss/German 'Mauscheln' 1800s; adds many action cards: J = wish (like 8), 7 = draw 2, 8 = skip, 9 = reverse, Ace = another turn. Very popular in German-speaking countries. SWITCH (UK, Ireland) — British name; adds: 2 = draw 2, Jack = miss turn, 8 = wild. LAST CARD (Ireland) — must announce 'Last card!' when down to 1 or draw penalty. All these are essentially the same core game with regional action-card additions.

Why are eights so important?+

Eights are the WILD card in standard Crazy Eights — can be played on ANY suit + player declares which suit the next player must match. This makes 8s enormously powerful: (1) get out of tight spots when no legal play exists, (2) force opponents into suits they lack, (3) block a winning opponent. HUGE PENALTY: 8 left in hand at end costs 50 points (5× face card value, 50× ace). Balancing when to play vs save 8s is core strategic decision. Skilled players save 8s for maximum impact.

How is Crazy Eights different from UNO?+

CORE GAME identical — shed hand first, match color/suit or rank/number, wild cards, action cards. DIFFERENCES: (1) UNO uses SPECIAL DECK (108 cards: 4 colors × cards 0-9 + action cards + Wild); Crazy Eights uses STANDARD 52-card deck. (2) UNO has MORE action cards (Skip, Reverse, Draw 2, Wild, Wild Draw 4); Crazy Eights basic version only has 8s as wild. (3) UNO requires announcing 'UNO!' when down to 1 card or 2-card penalty; Crazy Eights typically doesn't. (4) UNO is COMMERCIAL (Mattel branded); Crazy Eights is FREE folk game. (5) UNO scoring by penalty cards; Crazy Eights scoring similar with 8 = 50 points key rule.

What are the popular variants?+

MAU MAU (Germany) — multiple action cards. SWITCH (UK) — Jacks skip, 2s draw. LAST CARD (Ireland) — announce warning or draw. ROCKAWAY — more wild rules. PIG — shedding with counter-play. UNO — commercial with special deck. SKIP-BO — related sequence-based shedding. Many families have house rules varying wild cards (Aces + 8s wild), scoring, draw penalties. Kids often play with self-invented rules. Universal game with hundreds of variants globally.

Sources & provenance

Wikipedia — Crazy Eights— Wikipedia
Bicycle Cards — Crazy Eights rules— US Playing Card Co.

Last verified 2026-08-25.community