Previous versions of the Isabella mod had static night vision. The version changes that. Now, the goggles automatically adjust to environmental light sources. If you are in a room with flickering lights, the NVG will flicker. If an explosion goes off, the goggles will white-out for 1.5 seconds, simulating real eye dilation.

Installing the mod fundamentally changes how you approach the game’s campaign or sandbox mode. Here is a before-and-after comparison: