1-4 Players | 30-40 minutes (10-15 solo) | Ages 8+ | Tile Placement 🏆 Winner of the 2023 Cardboard Edison Award A stunningly beautiful game about making art from algae Hidden in the water all around us are tiny lifeforms known as “diatoms.” These microscopic algae cells come in a variety of exquisite geometric shapes and patterns. Here at the Society for the Microscopic Arts, we collect these diatoms and delicately arrange them on slides into beautiful, tiny mosaics. Diatoms is a puzzly tile-placement, pattern-making game where you create beautiful mosaics out of microscopic algae. Take turns placing tiles representing algae colonies, earning diatom algae tiles of different colors and shapes.