Too dark shadows for some reason

[KaPeresidenaNui (Operator)]

I think it has to do with ambience and brightness.
Simply adjust both of these and you should get a better result.
You can also tweak the environment scales (both specular and diffuse).

If you want a more natural lighting scene, consider reading this topic:

Development Tips: Better Lighting

Ending result. So, recently I’ve been doing a Development tips for my group on videos and stuff but then I got too lazy to do more. From now on I will be doing it on DevForums. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Keep in mind, I am no lighting god or something, this is just for you to get a good concept on how lighting can affect your game insanely well. So firstly, let’s see what we are working with. Depending on how your place looks, your lighting will look different. Don’t copy this completely. …

Here’s my topic regarding lighting shaders:

How It's Done: Making "Shaders" (Part 1)

NOTE!!!!!! Due to a recent update, Compatibility has been removed. It is recommended that you use ColorGradingEffect. Update: Sorry for being late, but with the Unified Lighting update, some parts of this topic are outdated. Consider reading this topic for different lighting styles: Introduction While it is good to use Future for realistic lighting, sometimes you don't like realism and instead opt-into some cartoon-like lighting for good pleasure. Well, I’m here to help you with that by …