Hacker News Games

Rotate a needle through every direction to explore the Kakeya conjecture in this math puzzle

Connect the START and END tiles by adding, multiplying or dividing in order to build the highest-scoring path

Daily set of hand-crafted word, logic and number puzzles (Quickword, Thred, Kingly, Countable) on web and iOS.

Daily game where you estimate the answers to five numerical questions and score on closeness

Solve algebra by dragging terms, where only mathematically valid moves are allowed

Daily 5-letter word game where each letter has a value (A=1..Z=26) and your guess must sum to a target number.

Make a target number from four digits using arithmetic operations

Tune a neural network's weights and biases until its output curve matches the target

Timed multiplication practice with a worldwide leaderboard ranking countries and regions by average score