Hacker News Games

Learn chess through mini games and drills against a computer opponent

Upload any PDF and turn it into a themed quiz game with join codes, XP, badges, and rewards

Free browser typing games for kids; multiple mini-games including phoneme sounds, playable on mobile/tablet.

iOS rhythm game for learning Japanese: draw kanji strokes to the beat and get scored on accuracy; 2000+ kanji.

Puzzle card game where you stack Chinese character components to build characters

Multiple-choice trivia across themed categories, with an explanation after every answer

Browser tower-defense game where you build cloud infrastructure and scale it to survive growing traffic and attacks.

Race from a start Wikipedia article to a target one in the fewest clicks

Daily word puzzle for language learners: find words from seven given letters using emoji clues.