Havoc Maker Book One: Welcome to Orbralis:

Nineteen-year-old Lamont didn't ask to be dropped into a brutal, game-like world where monsters roam, food can kill you, and everything comes with a stat screen. But when he wakes in the strange land of Orbralis, confused, alone, and hunted, he has no choice but to play by the rules. Guided by his cryptic and sarcastic companion, Cashius, Lamont fights to survive in a place where death is permanent and trust is a rare currency. Each battle sharpens him. Each discovery reveals a deeper myste...