Music in the trailer: La la triroriro by Rolemusic is licensed under a Creative Commons Attribution License.
This music has been modified by the author of this trailer. http://creativecommons.org/licenses/by/4.0/ http://freemusicarchive.org/music/Rolemusic/~/La_la_triroriro_1770
Some textures in the game: 1)Yughues Free Metal Materials by Nobiax / Yughues https://www.assetstore.unity3d.com/en/#!/content/12949 https://www.assetstore.unity3d.com/en/#!/search/page=1/sortby=popularity/query=publisher:4986 https://creativecommons.org/licenses/by-sa/4.0/
2)Yughues Free Concrete Materials by Nobiax / Yughues https://www.assetstore.unity3d.com/en/#!/content/12951 https://www.assetstore.unity3d.com/en/#!/search/page=1/sortby=popularity/query=publisher:4986 https://creativecommons.org/licenses/by-sa/4.0/