The document discusses the author's top 3 favorite online games: 1. Roblox, a massively multiplayer online game where players can create their own virtual worlds using blocks and socialize with other players. 2. League of Legends (LoL), a multiplayer online battle arena game where players battle against each other inspired by Defense of the Ancients. It has over 67 million monthly players. 3. Minecraft, a sandbox video game where players can build constructions out of textured cubes in a procedurally generated 3D world. Players can explore, gather resources, craft items, and engage in combat.