How could I accomplish a lighting effect something similar to this game?: 
I'm not talking about the shadows but about the glowing/lighting effect on the crystals and the torches.
Anyone got any clues?
More images from the games steam page
Answer
I've never used Unity, so I don't know what it has to offer for this specific problem, but I would create this effect with one of these methods:
- Implement a bloom shader. This is where the brightest pixels are taken, blurred, then drawn over the scene. Here is the Wikipedia page on that.
- Simply create a "glow" texture. This could be, for example, a blurred circle. Color it appropriately and draw it on top of the glowing objects using an additive blend mode.
Here is what I mean by "glow texture"
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