I don't know why, but **in 960x768 when the x map size = 30 , there is a scrolling bug**. If you **set x = 29 or x = 31 there is no bug**. 1 map size = 32px 30 x 32 = 960px, but it seems the game tries to scroll.. I guess you can find the **same scrolling bug with y map size = 24** (24 x 32 = 768)