The Bullshit card game is easy to learn, quick to set up and almost impossible to play without lying at least once. Also known as Cheat, BS, Liar or I Doubt It, it is a classic card-shedding game in which players try to get rid of every card in their hand before anyone else.
As explained by gamerules, the basic rules are straightforward. Players place cards face down, announce what they claim to have played and continue through the card values in order. The twist is that nobody can immediately see whether those claims are true.
That simple mechanic turns Bullshit into more than a game of luck. Every declaration affects how other players see you. Tell the truth repeatedly and you may build a trustworthy reputation. Get caught lying too often and every future move may be challenged. In that sense, reputation becomes one of the most important strategic assets in the game.
This guide explains the complete Bullshit card game rules, including setup, gameplay, challenges, useful strategies and popular variations. It also explores why trust, suspicion and reputation can matter just as much as the cards in your hand.
Bullshit card game at a glance
Objective: Get rid of all your cards before the other players.
Number of players: 2 to 10 players, although the game generally works best with 3 to 6.
Materials: One standard 52-card deck with the jokers removed.
Type of game: Card-shedding and bluffing game.
Recommended audience: Teenagers and adults.
Main skills: Bluffing, memory, observation, risk assessment and timing.
What is the Bullshit card game?
Bullshit is a social card game built around hidden information and deception. During each turn, a player places one or more cards face down and announces a card value. The cards are not revealed unless another player challenges the claim by calling “Bullshit”.
Sometimes the player is telling the truth. At other times, they may be placing completely different cards in the hope that nobody notices.
The goal is to be the first person to discard every card in your hand. However, a failed bluff can be costly. If someone catches you lying, you must pick up the entire discard pile. If another player challenges you incorrectly, that player must collect the pile instead.
This balance between risk and reward is what makes the game entertaining. A player can remove several unwanted cards with one successful bluff, but one badly timed lie may leave them with a much larger hand than before.
How to set up Bullshit
Setting up the game takes only a few minutes.
Use a standard pack of 52 playing cards and remove the jokers. Shuffle the deck thoroughly, then deal all the cards as evenly as possible between the players.
Depending on the number of participants, one or two people may receive an extra card. This does not significantly affect the game and there is no need to remove cards to make the hands equal.
Players should keep their cards hidden from one another. Leave an open space in the centre of the table for the face-down discard pile.
You can choose the first player in any fair way. A common rule is that the person holding the ace of spades starts, but you could also select someone randomly.
How to play Bullshit
The basic sequence begins with aces and continues upwards through the card values.
The first player places between one and four cards face down in the centre of the table. They must claim that the cards are aces, saying something such as:
“One ace.”
The next player must claim to play twos. The player after that claims threes, followed by fours, fives and so on until the sequence reaches kings. After kings, the order returns to aces.
Each player must place at least one card during their turn. They may play several cards together, provided they claim that all of them have the required value.
For example, when the sequence reaches tens, a player may place three cards face down and say:
“Three tens.”
Those cards might genuinely be three tens. They might include one ten and two unrelated cards. They might not contain any tens at all.
Unless somebody challenges the claim, the cards remain face down and play continues.
What happens when you do not have the correct card?
This is where bluffing becomes necessary.
Suppose the previous player claimed to place fours, meaning you must now play fives. If you do not have a five, you cannot simply skip your turn under the standard rules.
Instead, you must place one or more other cards face down and claim that they are fives.
You might discard a king and announce:
“One five.”
Alternatively, you could try to remove several unwanted cards at once by placing three cards and claiming:
“Three fives.”
The greater the claim, the greater the risk. Other players may find it suspicious that you supposedly hold three or four cards of the required value, particularly if several of those cards have already been claimed earlier in the game.
How to call Bullshit
After a player makes a declaration, any opponent may challenge it by calling “Bullshit”, “BS” or another agreed phrase.
The challenged cards are then turned face up.
If the cards do not match the player’s claim, the bluffing player must collect the entire discard pile and add it to their hand.
If the cards are exactly what the player claimed, the challenger was wrong and must collect the whole pile instead.
A player cannot challenge their own move.
Only the most recently played cards are checked. Earlier cards in the discard pile remain irrelevant to that particular challenge, even if players suspect that previous claims were false.
Because the penalty can involve collecting a large number of cards, calling Bullshit should not be done carelessly. A challenge is strongest when it is based on card knowledge, previous claims or a clear inconsistency rather than a vague feeling.
How do you win Bullshit?
The first player to discard all the cards from their hand wins.
However, many groups apply an additional final-card rule: when someone plays their last card, the other players still have an opportunity to challenge the claim.
If the final play is truthful and no successful challenge is made, that player wins. If the final card was a bluff and another player correctly calls Bullshit, the supposed winner must collect the discard pile and continue playing.
This rule prevents a player from winning automatically through an obvious final bluff.
Why reputation matters in Bullshit
Every move contributes to your reputation at the table.
A player who is caught lying repeatedly becomes an obvious target. Even truthful claims may be challenged because the group no longer trusts them. In contrast, someone who plays honestly for several rounds may appear reliable enough to make a later bluff more believable.
This creates a strategic tension between short-term gain and long-term credibility.
A successful bluff may help you discard several difficult cards. However, if the lie is exposed, you suffer two separate costs. First, you collect the discard pile. Second, the other players become more suspicious of your future declarations.
Reputation therefore functions almost like a resource. You can build it through truthful play, preserve it by choosing your risks carefully or spend it on a bold bluff when the potential reward is worth it.
Trust as a strategic asset
Many new players assume that the best strategy is to lie as confidently and frequently as possible. In reality, constant deception is often easy to detect.
Telling the truth can be strategically useful because it makes your future behaviour harder to interpret. When opponents know that you are capable of making honest plays, they cannot automatically challenge every claim.
For example, imagine that you have truthfully played the required card during four consecutive rounds. On the fifth round, you place two unrelated cards and calmly announce the expected value. Your opponents may hesitate because your recent behaviour suggests that you are reliable.
The strongest players are therefore not necessarily the most convincing liars. They are often the players who create uncertainty. Opponents should struggle to determine when they are honest and when they are bluffing.
Card counting and claim tracking
Bullshit rewards players who remember which card values have already been claimed.
There are only four cards of each rank in a standard deck. If you hold two queens and another player claims to have placed three queens, that declaration cannot be true.
Even without such certainty, previous claims can make a play increasingly unlikely.
Suppose players have already claimed four nines during earlier rounds and another participant later announces that they are playing two more. Some earlier claims may have been false, but the new declaration should still attract attention.
You do not need to memorise every card perfectly. Simply tracking unusually large claims or remembering the cards in your own hand can give you a major advantage.
Useful Bullshit card game strategies
Tell the truth more often than expected
Truthful play reduces your risk and strengthens your credibility. Bluff when the potential benefit is meaningful, not simply because the game allows it.
Mix honest cards with false ones
If you have one correct card, you may place it alongside one or more unrelated cards. For instance, if you have one seven, you might play it with two other cards and claim to have three sevens.
This is still a bluff, but it may feel more natural because part of the declaration is genuine.
Avoid obvious overclaims
Claiming four cards of one value can be tempting because it removes several cards at once. It is also easy to challenge, especially when other players hold cards of that rank.
Smaller claims are usually more believable.
Organise your hand strategically
Instead of arranging your cards only from ace to king, consider organising them according to when their values will appear on your turns.
If there are four players and you begin with aces, you may later be responsible for fives, nines and kings. Grouping those values together can help you identify honest plays quickly and plan which unrelated cards you might need to discard through bluffing.
Watch how players behave
Some players speak faster when they are telling the truth. Others become unusually detailed when lying. A person may avoid eye contact, overact, hesitate or suddenly become very confident.
These signals are not reliable on their own, but behavioural changes can support conclusions based on the cards.
Challenge the final card carefully
A player on their last card may be forced to bluff if the required value does not match what they hold.
Calling Bullshit can therefore be sensible, but it should not be automatic. An incorrect accusation may leave you collecting a very large pile while the other player wins.
The role of memory and psychology
Bullshit is often described purely as a bluffing game, but it also tests working memory and social judgement.
Players must follow the sequence of card values, remember earlier claims, monitor the size of each hand and interpret how opponents behave. At the same time, they need to manage their own expressions and decide whether to take risks.
This combination makes the game more psychologically complex than its simple rules suggest.
A player who remembers the cards but challenges too aggressively may still lose. A confident bluffer who ignores mathematical impossibilities can also be exposed. Strong play comes from combining memory, probability and an understanding of group behaviour.
Popular Bullshit card game variations
Once everyone understands the standard rules, several variations can make the game longer, faster or more unpredictable.
Two-deck Bullshit
For groups of more than five or six players, combine two standard decks. This creates a longer game and makes card counting more difficult because there are now eight cards of each rank.
Descending order
Instead of moving from ace to two, three and upwards, play in reverse order. A common sequence is two, ace, king, queen, jack and down towards three.
Same card or next card
Allow players to repeat the previous card value or move to the next one.
For example, after a player claims sevens, the next person may claim either sevens or eights. This creates more flexibility but makes it harder to predict what players are holding.
High or low
Allow the next participant to play one rank higher or one rank lower than the previous claim.
If the current value is eight, the next player may claim sevens or nines.
No-turns variation
Remove the fixed playing order and allow any participant to place the next required rank. This makes the game faster and more chaotic, although it may reduce the amount of careful bluffing.
Drinking variation
Some adult groups add a drinking penalty whenever a player must collect the discard pile. This version should only be played legally, responsibly and with participants who are comfortable taking part. The card penalty alone is sufficient for the game, so alcohol is never necessary.
Common questions about Bullshit
What do you do if you do not have the required card?
You must bluff. Place one or more different cards face down and claim that they match the required rank.
How many decks are needed?
Use one standard 52-card deck for most games. A second deck can be added for larger groups.
How many cards does each player receive?
All cards are dealt as evenly as possible. Some players may receive one extra card depending on the group size.
When should you call Bullshit?
Challenge when a claim is impossible, highly unlikely or inconsistent with what you know. Consider the penalty before making a weak accusation.
Can you play more than one card?
Yes. You can place multiple cards during a turn and claim that they are all of the required value.
Can you tell the truth?
Yes. In fact, truthful play is an important part of an effective strategy because it helps build credibility.
What happens after reaching kings?
The sequence starts again with aces.
Final thoughts
The Bullshit card game rules are simple enough to learn in a few minutes: play cards face down, announce the required rank and challenge claims that appear false.
What makes the game memorable is everything that develops around those rules.
Every honest declaration can build trust. Every exposed lie can damage a player’s credibility. A carefully protected reputation may allow a decisive bluff, while an overly suspicious opponent may end up collecting the entire discard pile.
That is why Bullshit is not merely a game about lying. It is a game about deciding when to lie, when to tell the truth and how your previous choices shape what other people believe.
With only one deck of cards and a small group of players, it creates a lively contest of memory, courage, timing and reputation.
