Hacker News Games

Clear cards by suit, value or sequential runs across three daily puzzles with tightening rules

Daily curve-fitting puzzle: guess the mathematical expression matching a hidden plotted curve; score rewards accuracy and fewest guesses.

Solitaire-style puzzle: stack Chinese-character component cards by stroke count to rebuild two target characters.

Place twelve tiles to build a single connected crossword that uses every letter, in a daily puzzle

Daily word strategy game mixing Wordle and tic-tac-toe: solve themed 5-letter words to claim squares and connect three.

Daily word-guessing game: a binary-search Hi/Lo hint on each letter narrows you toward the hidden word.

Guess the area of a triangle formed by three cities you place anywhere on Earth

Find which four of sixteen words share a common theme, with daily vocabulary puzzles in 195 languages

Solve a murder mystery by debugging a real Linux binary and its core dump