Online games truly provide the world with endless hours of entertainment, and the free games usually turn out to be the best. There are dozens of websites featuring thousands of games, and each website will offer games that can only be found on that site. Here is a list of some of the best games online that you can play at no cost to you:Best Online Games for Free• Fancy Pants Adventure is a favorite of those who play games online, as it combines Sonic the Hedgehog with a stick figure wearing fancy pants. The game feature gravity defying leaps, an incredibly simple design, and hours of endless fun.• Dino Run is one of the most popular pixelated online games, and it appears to be a game from the 80’s. However, this game is great fun because you basically spend the entire tie dodging falling debris, fellow dinosaurs, and getting around obstacles. You are escaping the meteor that is bringing your doom, and you will find that this is one of the best simple online games around.• Matrix Rampage is great for all Matrix fans who found Enter the Matrix to be fairly boring. While the game’s graphics are simple, this side scrolling adventure game offers you the chance to play Neo as he jumps off roofs and walls, kicks bad guy ass, and collects weapons.• Amorphous is a game for those who like the classic zombie killing game, though it is much simpler than most zombie games online. The enemies are basically colored bubbles that you can swing your giant sword at, but be prepared to spend hours clicking frantically as the horde of bubbles come charging at you relentlessly.• Final Ninja is by far one of the best action games online, especially for those who like online games featuring ninjas. In this game, your ninja star is not only your weapon, but also the way you move around. Your ninja star acts as a grapple that swings you from ledge to ledge, where you hide from enemies, dodge lasers and cameras, and cause mayhem and havoc in the city.• Bowmaster is one of the favorite Aim and Shoot games online. You are an archer defending your city’s walls, and you will find that aiming and shooting is actually a lot harder than you thought once the enemy gets a bit closer.• Commander Keen is one of the classic PC games, and it has been made into Flash format to allow you to play these classic online games. You will find that all of the fun of Commander Keen is captured in the classic online game, it will be hours of fun.• Raiden X is one of the top online games in the classic arcade style, and the many levels of enemies to kill and upgrades to collect will provide you with endless fun. Your simple ship starts out with a weak gun, that you upgrade as you collect power-ups. You can even drop atomic bombs if your ship is being bombarded.