Ten fast calls
Choose the bluff or judge one statement as true or false. Clear wording and short answer reveals keep the pace sharp.
Free online trivia game
Can you catch the lie under pressure?
BLUFF turns a true-or-false quiz into a complete run: ten rapid reads, roulette you throw yourself, and four hands of 21 against AXIOM.
Free daily play · No download · No real-money wagering or prizes
One run, three skills
More than another question list
Every choice moves the run forward. Facts test recognition, roulette tests your throw, and 21 tests whether you know when to take another card.
Player-thrown roulette
Drag and release the ball yourself. Direction and force shape a physical, unpredictable spin without showing fake odds.
Four hands of 21
Earn cards through correct reads, then hit or stand against AXIOM. The next hand starts automatically.
Inside the Vault
Trivia, roulette and blackjack rhythm in one game
Truth or BluffAccessible general knowledge with regional and global subjects.
Roulette throwA real ball, variable momentum and a second final throw.
21 vs AXIOMQuick table decisions with changing hand contracts.
Frequently asked
Before you enter
Is BLUFF free?
Yes. The daily free allowance, duels and Daily Challenge remain available without a subscription. Pro adds unlimited play and premium modes.
Is this real-money gambling?
No. There is no paid wagering and no cash-value prize. Roulette and 21 are game mechanics inside a knowledge run.
Do I need to install it?
No. BLUFF runs in a modern browser and can optionally be installed as a web app.
What is the Vault Dossier?
It is a permanent collection of twelve artifacts earned through runs, wins, duels and rare milestones. Artifacts cannot be bought.