Serious-sam-classics-revolution-update-05-12-2016 -

Fixed issues where Steam Achievements and statistics failed to unlock or sync.

Added blue and yellow blood options for enemies. serious-sam-classics-revolution-update-05-12-2016

You can use the included Serious Editor 1 and Serious Modeler to create custom textures or levels, now fully functional on modern 64-bit OS. Fixed issues where Steam Achievements and statistics failed