Every stamp has a story. Can you figure out where it belongs? Step into a colorful world of stamps and put your sorting skills to the test. Flip through the collection, discover hidden connections, and group stamps by the right category. The deeper you go, the trickier the choices become. Some stamps may look like they belong together. Others might surprise you. Look carefully, think ahead, and find the perfect way to organize them all. Flip your way through the collection: Turn over stamps, explore what's underneath, and uncover new possibilities with every move. Find the right category: From familiar themes to unexpected combinations, each level challenges you to recognize which stamps belong together. Simple to play, tricky to master: The rules are easy to pick up, but solving a level perfectly takes observation and a little strategy. Discover more stamps: Complete levels to uncover new designs and themes. Every collection brings something different to sort. Relax and puzzle at your own pace: No complicated controls. Just flip, sort, and enjoy a satisfying puzzle whenever you have a moment. Think you can organize them all? Flip a stamp. Find its category. Complete the collection!