Serious Sam is a series of first-person shooter video games developed by Croteam, based on a fictional universe created by Croatian game designer Roman Ribaric. The series follows the adventures of the brave and courageous protagonist, Sam "Serious" Stone, as he battles against various extraterrestrial enemies across a variety of environments. The games feature fast-paced action and over-the-top weapons and enemies, making them particularly enjoyable for gamers who enjoy classic arcade-style shooters. The series has been praised for its intense and exciting gunfights, its tongue-in-cheek humor, and its commitment to providing players with a challenge that requires skill and practice. The Serious Sam series has been released on multiple platforms, including PC, Xbox, PlayStation, and mobile devices.
Discontinued development has been discontinued, as stated on https://www.warsow.net/forum/thread/17216/1. The latest version, 2.1, released in March 2016, can still be downloaded from the official website.