These days I am addicted a simple yet quite engaging puzzle game “Blocked In Free“. The free version has about 600 levels (which means that I am more likely to graduate to a second release of the game before I complete all the levels.
How it works:
Much like Suduko, it is based on simple steps but made complicated by the number of variations.
All blocks can move horizontally only and by simple movement, we have traverse the maroon colored block out of the space. No wonder I finished 46 levels in 30 hours.