Unblock it Atlantis
The rotate-and-slide cluster again, this time built out of a sunken city.

Dive into the underwater world of Unblock It 3D: Atlantis and test your logic with endless brain-teasing puzzles! Rotate the puzzle cube to reveal which blocks you can slide away. Discover a vast collection of levels inspired by the lost city of Atlantis, featuring stone tiles textured like coral, shimmering pearl finishes, and sea flora woven through ancient ruins. Unlock new cube styles, explore vibrant oceanic themes, and keep your mind sharp as the puzzles grow more complex.
Controls
Drag to rotate the cube; tap a brick to slide it out.
How to Play
- Rotate the cluster by dragging across it.
- Identify a stone tile with nothing in its way.
- Tap to slide it clear.
- Continue until the arrangement is dismantled.
Tips & Tricks
Rotate a full turn before touching anything. On the textured levels the free tile is often on the face you have not looked at yet.
Frequently Asked Questions
Is Atlantis harder than the original Unblock It 3D?
Not by rule changes — the difficulty comes from the coral texturing, which makes free tiles harder to spot at a glance.
How many levels does Unblock it Atlantis include?
The developer describes a vast collection themed on the lost city; there is no fixed short run to finish in one sitting.