I notice torches in Chunky don't appear to emit the same amount of light as in the game by default. It would be nice if the default emission for torches matched the in-game area of effect.
Is it simply a matter of increasing Emitter Intensity?
I've attached 2 images by way of example. One screenshot, one render from the game. The render output at 8000 SPP.
Increasing the emitter intensity will increase the amount of light given off. Simply do a quick render with higher values for emitters and get the rough amount of light that you want, then do a full render and you should get what you want.
I recommend this issue be marked as closed as I don't see any more problems here.