This document discusses some of the most addictive and popular games of 2015. It identifies Dota 2, League of Legends, World of Warcraft, and Minecraft as massively played games around the world. Dota 2 and League of Legends are both MOBA games where players control a character, level up, acquire items, and work to destroy the enemy's main structure. World of Warcraft is an MMORPG with over 100 million created accounts. Minecraft is a sandbox game that can be played across various platforms and game modes. These four games attracted millions of players worldwide in 2015.