You can go out and click 6 pictures of the night sky and convert them into textures or you can download royalty free images online.

How to make your Own Night skybox Step 1: Texture for Night skybox Fantasy skybox also has a free version with limited skyboxes, you can check that out too.

One small drawback is it doesn’t have the 6 sided textures, so you cannot mix up things as you can do with the allsky asset. This asset is being constantly updated by the author. This asset should fit into all types of games. It contains around 100 hand drawn skyboxes. If you are looking for hand drawn skyboxes, then fantasy skybox is a must have asset. fantasy skybox – If you are looking for something different You can also check out the free version of the asset which has 10 skyboxes. We bought this asset for one of our games back in 2015 and are still using it today.

All skyboxes in this asset are high quality and look amazing. It is a one-time investment and really worth the money. This is a collection of 200 skies along with the textures for 6 sided skybox. Best Night Skybox textures in Unity assets store 1.Allsky skybox set – for all your skybox needs The other option is to just download skyboxes from the Unity asset store. The quality of texture determines the quality of the skybox. Making a skybox is not difficult, you just need 6 textures that can be combined to make a skybox material. Using a good skybox gives a good aesthetic look to your game. Most games use the default skybox that comes along when you make a new scene. Unity skybox is used in all the 3D games made in Unity.

Skybox download unity