Certain shadows don't appear while playing in BGE I can't get certain shadows to show in BGE. I have the correct lighting with the sun and hemi lamps. 

When I'm editing in BGE, all the shadows show like I want. 

But when I press p to play, all shadows still work except for one. The one that doesn't show while playing is a bunch of planes connected together, all of them with the same texture on it to make a clump of grass. 

When I was making it on a different layer with the same lamps, the shadow it casted worked while editing and while playing. But when I moved it to a different layer with the same lamps, the shadows only worked when editing and not when I press p to play. I have no idea why. I'm using GLSL if that matters.
you need adjust this settings to correct the shadows projection in the bge 
and this apply in bge, blender render and cycles