Can I use this project as base for my game and upload my game to steam?

[UnLucky1709]

No description provided.

[kristian001831]

I guess yes, but you have to give credits and make sure that everything is MIT licensed or so

[s1099]

you can check the license
https://unity3d.com/legal/licenses/Unity_Companion_License

[Player11132]

3. Ownership; Derivative Works.

3.1 You own your content. In this License, “derivative works” means derivatives of the Work itself--works derived only from the Work by you under this License (for example, modifying the code of the Work itself to improve its efficacy); “derivative works” of the Work do not include, for example, games, apps, or content that you create with the Work. You keep all right, title, and interest in your own content.
Maybe this will help?

[gocciolafr]

yes but you need to put the credits