The glass is sad because it's empty. Your job is to draw a line to make the glass filled up with liquid and smile again! Try to find the best way to complete each level. You can come up with your own solution so be creative and don't be afraid to think out of the box! Some levels might look easy but let's see if you can actually get the 3 stars. water glass puzzle,brain teaser,puzzle game,line drawing puzzle,solve puzzle,challenge your mind,relaxing puzzle,brain training,problem solving,3 star puzzle,dynamic puzzle,free online puzzle