Unturned is a free indie adventure game developed and published by Smartly Dressed Games in 2017. You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living.
System requirements for desktop computers as stated by the developer. Updated on February 25, 2020.
The system requirements are lightweight; almost any modern laptops will work for playing Unturned.
Most gaming laptops meet the RAM requirement of 8gb, though 4gb is enough to meet the minimum requirements.
Also, note that at least 4gb of disk space is needed.