So I'm currently porting an old exe game to html5 to play in browser. The issue I am facing is that in the exe version of the game there was a nighttime mode where layer 2 was using a "subtract" effect, using HWA, to allow the screen to have a dark tint. Light objects would "cut through" the darkness using the subtract effect.

Since the game is now exporting as HTML5 instead of EXE, the "subtract" effect on layer 2 is missing. I am "build and running" the application in "HTML5 Development".

Am I doing something wrong or is this a limitation of clickteams HTML5 exporter?