https://bugs.winehq.org/show_bug.cgi?id=14543
--- Comment #26 from Stefan Riesenberger stefan.riesenberger@gmail.com --- ok my assumption was wrong that the z-Order is incorrect. Here a detailed explanation from the guy that made the widescreen fix for Worms World Party on how the game handles its windows. https://github.com/StepS-/wkReSolution/issues/2#issuecomment-822776691
So the control windows should be overdrawn by ddraw, which won't happen with the remaster, because its using d3d9. I am not sure how to properly investigate this any further.