Hi, I'm benjamin2, a PRO member of Sokoban Online. By my profile, you can play Sokoban World 2012, have fun!

Also, Sokoban World 2013 will have a star rating system, for every level, where you can get up to five stars for getting good scores! Here's the planned structure for Sokoban World 2013:

INTRODUCTION
Box Man and Box Girl are having fun together, when the Bandit comes along and takes Box Girl once again! The chase starts all over in the second annual series. Begin by chasing the bandit into the midst of the adventure, and learn about all the objects as you go!
Section B-1: 20 levels (here you will learn how to solve classic and modern puzzles, and how the wildcard box and ice floor work)
Section B-2: 20 levels (here you will learn how the Rails, Portals and Fragile Floor are used)
Section B-3: 20 levels (here you will learn about the belt and fragile floor)
Section B-4: 10 levels (here your knowledge of all Sokoban Online objects will be put to the test)

WORLD 1 - GRASSLAND HARBOUR
Have fun in these peaceful, easy levels as you chase the Bandit and attempt to get your girlfriend back!
Section 1-1: 30 levels
Section 1-2: 30 levels
Section 1-3: 10 levels

WORLD 2 - HAUNTED HOUSE
The Bandit runs off into this house where there are many levels to get through of easy/medium difficulty. Can you beat them?
Section 2-1: 25 levels
Section 2-2: 25 levels
Section 2-3: 25 levels
Section 2-4: 10 levels

More coming soon!