Why Games? 

Games can serve various purposes such as entertainment, education, competition, and stress relief. They can also bring people together and foster social interactions. Additionally, games can challenge players, improve their skills, and provide a sense of accomplishment.

The Best 5 Online Games 

As of my training data cut off in 2021, the following are five popular online games:

1) Fortnite - A battle royale game with a unique building mechanic. 

2) League of Legends - A strategic, team-based MOBA game

3) PlayerUnknown's Battlegrounds (PUBG) - A battle royale game where players fight to be the last one standing

4) Apex Legends - A free-to-play battle royale game set in the Titanfall universe. 

5) World of Warcraft - A massively multiplayer online role-playing game (MMORPG) set in a fantasy world