Higher or Lower
Classic Jane Street / SIG card game โ tests conditional probability under real-time updating.
๐
Ready to play?
A shuffled 52-card deck is dealt one card at a time. Guess whether the next card will be higher or lower. A = 1, J = 11, Q = 12, K = 13.
Correct guess: +1 point
Tie (equal value): counts as incorrect โ no bonus
Hint panel: shows live probability breakdown
Keyboard: โ = Higher, โ = Lower, Space = Next