What is the best game site without signing in?

It's impossible to say definitively which is the "best" game site without signing in, as that depends entirely on your individual preferences. However, I can offer a few popular options that are known for their free-to-play games and don't require registration:

For casual games:

* Miniclip: Offers a wide variety of casual games like arcade, puzzle, sports, and more.

* Armor Games: Known for its selection of indie and browser-based games.

* Kongregate: A platform with a large collection of both casual and more complex games.

* Newgrounds: Features user-created content, including games, animation, and music.

* Addicting Games: A classic site with a focus on addictive and simple games.

For specific genres:

* Cool Math Games: Great for math-based and logic puzzles.

* Crazy Games: Known for its selection of action and platformer games.

* Bubble Shooter Pro: Offers various versions of the popular bubble shooter game.

For retro games:

* Internet Archive: A vast repository of free software and games, including classic titles.

* MAME: An emulator for arcade games.

Things to consider when choosing:

* Genre: What kind of games do you like to play?

* Game quality: Look for sites with a high standard of game design.

* User experience: Choose a site with a clean interface and easy navigation.

* Variety: Consider whether the site offers a range of games to keep you entertained.

I encourage you to explore different options and see what you enjoy the most!