Unblocker DX is a free Android puzzle game developed by HighLab Co.Ltd. The game's objective is to move the brown tree block and guide the red tree block to the goal to complete each level. The game starts with easy levels, but as you progress, the difficulty increases.

The game has a simple yet engaging gameplay that challenges your logical and strategic thinking. The graphics are visually pleasing, and the sound effects are soothing. Unblocker DX is perfect for puzzle lovers who want to exercise their brains.

Overall, Unblocker DX is a well-designed puzzle game that offers a challenging and fun experience. If you're looking for a game that will test your problem-solving skills, then this game is definitely worth a try.