ATOM: Build the Elements

Build. Merge. Discover. ATOM turns the periodic table into a satisfying puzzle. Drop glowing elements into the chamber, bring matching atoms together, and watch them merge into something new. Every move brings you closer to your next discovery. Start with familiar elements like Hydrogen and Helium. As your collection grows, new combinations become possible—and keeping the chamber under control becomes its own challenge. Plan your drops, chase a new personal best, and see how far you can go. DISCOVER THE ELEMENTS Unlock elements across the periodic table and track your progress in a collection of all 118. LEARN AS YOU PLAY Tap an element you’ve discovered to explore its story and surprising facts about the world around you. FIND YOUR FLOW Enjoy colorful reactions, responsive sound, and a clean, dark design that keeps the focus on every drop and merge. PLAY YOUR WAY Take a quick break or settle in for a longer session. ATOM works offline, requires no account, and saves your progress on your device. How much of the periodic table can you build?