Hacker News Games

Daily trivia: 10 timed questions, 10 seconds each, including a music round; a new set every day at 6am ET.

Daily medical diagnosis game: read up to six clues, submit a diagnosis, and get scored on how close your ICD-10 code is.

Minimalist logic puzzle: draw one line through every tile without crossing, backtracking or leaving gaps.

Fold a sheet of paper to slip through gaps in walls that slide past in this one-finger game

Claim territory on a grid by placing spots that spread pressure to neighbors, with all players moving at once

A free musical rhythm game designed to be soothing and relaxing

Falling-block puzzle: fill rings around a central core and rotate the board 90 degrees to clear them.

Trivia game-show roguelike: beat eight rivals, wager your prize and answer Easy or Hard questions each round.

Spot sets of three cards where every attribute matches or differs, racing the clock