Ele vs Mathalon

Learn the periodic table elements the fun way! Test how many elements you know the chemical symbols for with different game options. Classic game lets you see how many in a row you can name. In Speed game, it's a race against the clock to get as many symbols as you can in 60 seconds. Get one wrong and lose 2 seconds off the clock! Match game lets you match element name cards against their symbols. Each game has a Hard Mode, and Random or sequential ordering of the elements. In Match, Hard Mode turns the cards over, testing your memory!

Mathalon turns math into a competitive arena. Daily challenge — one carefully-picked problem every day. Build a solve streak. Rush — 5-minute live climbing race. Solve fast, stay ahead, top the live leaderboard. Ranked 1v1 — Glicko-2 matchmaking against another player in your rating zone. Head-to-head, best of five. Practice — thousands of problems from arithmetic to olympiad. Filter by topic and difficulty. Escape rooms and mystery cases — narrative puzzle chains that reward mathematical reasoning. Every solve updates your rating. Every match sharpens it. Climb the global leaderboard.