There is several kinds of trucks during the game.
The truck can hold letters and blocks, while blocks can change the color of the truck and letters only drops when the color is the same.
The mission of every level is to catch certain letters and filled of certain weight.Instuctions:
Basically just use LEFT and RIGHT key to move it, or sometimes press UP(only for some trucks).
If the truck can not be moved any more, just click Reset button in the bottom.Keywords:
truck letter block physics editor zh-cn en