Uncharted Walker is a Manga/Manhwa/Manhua in english language, Mystery series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

A magician, a female doctor, a gangster, an archaeology professor, a policewoman, a drug dealer, a businessman... Such a random group of people find themselves trapped on a desolate island when they wake up from sleep one day. They are surrounded by primitive tribes, mutant viruses, and countless life and death situations on this mysterious island. What will they do to survive and escape?