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In this post, I will compare volumetric lighting and particles in Ultra with Leadwerks. 1- Volumetric Lighting The volumetric lighting in Ultra Engine is very poor, so I recommend the volumetric lighting from Leadwerks 4.6 to be brought to Ultra. Because; 1.1- The volumetric lighting in Leadwerks looks realistic than Ultra. (Check 1st photo) 1.2 -The volumetric illumination value cannot be increased directly; to do so, the “brightness” of the light must be increased. 1.3 -Causes an FPS drop (I'm not sure if this is only happening to me) 1.4 -When you move a little away from the light source, the volumetric lighting is not visible. 1.5 -Volumetric lighting in Leadwerks dynamically emits light based on surrounding objects. in Ultra, volumetric lighting is static. (Check 2nd photo) In other words, the current volumetric lighting in Ultra is an incomplete feature. 2- Particle Effects I'll speak for myself about particle effects: The particle effect settings are confusing. I can never get the particle effect I want. For example, I couldn't figure out how to change the speed of my particle effect in ultra. Or the alpha value, duration time etc... Also, the curve editor in Leadwerks was a good feature. For example, I don't think such a particle could be produced in the same way in ultra: The particle effect in Leadwerks had more features and was easier to understand. At least, I knew what I was doing in Leadwerks.