Grab everything you can carry, stack it HIGH, and deliver it before it all comes crashing down! 📦 Collect items from around the world, from everyday stuff to Mythical and Secret finds 🧱 Stack them on your back and keep your balance. Every extra item makes it wobblier! 🚚 Deliver your stack to earn rewards, then upgrade your capacity, speed and grip 🐾 Hatch pets that boost your haul (egg odds are always shown before you hatch) ⚡ Unlock permanent abilities with Crystals 🌍 Travel through new worlds with bigger rewards 🏆 Climb the leaderboards and join live Big Stack events Watch out for thieves and rival players, because they'll try to make you drop it! Like the game? Hit Favorite so you never lose your stack!
