Deal every card
Shuffle and share the full pack among the players. Hand sizes may differ by one card. The player holding the Queen of Diamonds begins.
Bluffing game · 4 players
I Doubt It
Also known as Desconfia · Duvido
Play your cards face down, make a convincing claim, and decide when somebody else is bluffing.
W
West0 cards
N
North0 cards
E
East0 cards
Face-down pile
No claim yet
Q♦ chooses the first claim
Y
You0 cards
Challenge
Truth or bluff?
Game complete
You win!
01 How to play
Claim a rank.
Risk the doubt.
I Doubt It is a shedding and bluffing game. This playable version follows a Desconfia-style variation with four players, a standard deck and two Jokers.
Start a claim
The opening player puts one or more cards face down and announces a rank. The cards may match that rank — or the claim may be a bluff.
Keep the same rank
Until the pile is challenged, every player adds face-down cards while claiming the same rank. A player without that rank still has to play and bluff.
Say “I doubt it!”
Before making your own play, you may challenge the previous player. Only their most recent cards are turned face up and checked.
Resolve the challenge
If the claim was false, the player who lied takes the whole pile. If it was true, the challenger takes it instead.
Begin a fresh pile
The winner of the challenge leads next: the challenger after exposing a lie, or the truthful player after surviving the accusation.
Jokers tell the truth
A Joker represents any announced rank. It can be played alone or with other cards and always counts as truthful when the play is challenged.
Empty your hand
The first player to play their final cards wins, provided the last claim survives the next player’s opportunity to challenge it.
02 History & variants
One family, many accusations.
One idea, many local names
I Doubt It belongs to a widespread family of face-down bluffing games. Desconfia and Duvido are Portuguese names for closely related play. The aim is to shed your cards while deciding whether the most recent claim is truthful.
Which version is on this page?
Some I Doubt It rules let players pass and limit each play to one card. This table instead requires a play on every turn, permits several cards, and treats Jokers as truthful wild cards. All players keep claiming the same rank until a challenge. Cheat or Bullshit is a related but different version in which the announced rank advances each turn.