Need help with SortStack, the color/tube sort puzzle game? You're in the right place.
Tap a tube to pick it up, then tap another tube to pour into it. Sort every color into its own tube to clear the level.
Yes - every level is generated to be guaranteed solvable. Use the Hint button if you're stuck, or Undo/Reset to try a different approach.
A single puzzle shared by every player worldwide, seeded from the current date. It refreshes every day and tracks your streak.
SortStack is fully free and supported by ads shown via Google AdMob. You can manage ad personalization from your device's privacy settings - see our Privacy Policy for details.
Please email us using the contact info below with your device model, OS version, and a description of what happened.
Furkan Sabri Çetinkaya
Email: cetinkayafurkan@gmail.com