The goal of the game is to help boxes find their lost little children. It is a hard job. but with the help of Teleporter Twins, many impossible tasks can be finished now.

• "Click in a blank area":"roll target box"
• "Backspace / Esc":"undo one step"
• "fire":"left_mouse"
• "Click on a box":"select target box"
• "Hold Space Bar":"select target box"
• "D / Right Arrow":"right roll target box"
• "Press Space Bar":"switch target box"
• "jump":"na"
• "R":"reset current level"
• "A / Left Arrow":"left roll target box"
• "movement":"right_left"

There are 3 methods to select the Target Box: - left-click a box to set it as Target Box. - press Space Bar to switch Target Box. - hold Space Bar, then use WASD or Up-Down-Left-Right arrow keys to select Target Box. (NOTICE: A teleporter is also a box. It can also be set as Target Box.). To roll the Target Box, use any of these methods: - press key A and key D - press LEFT and RIGHT arrow key - left-click (then either hold the mouse or not) an area without boxes occupied. (more tutorials in game)