This list includes websites with lots of games (mainly). 

Easyfun (Lots of mobile games) - RECOMMENDED
https://easyfun.gg

CloudMoon (SIGN UP) - RECOMMENDED
https://web.cloudmoonapp.com/

Classroom 6x - TOP
https://sites.google.com/site/classroom6x

IO Games - TOP
https://sites.google.com/view/iogames

Kazwire: - TOP
https://history.lodgegomantak.org/

SZ Games:
https://sz.games/

AJH's Vault:
https://edu.ajh.college/

Game Hub:
https://glacierarcade.win/
https://sites.google.com/view/game-hub-unbl0cked/

GTube:
https://gtube.lat/
https://gtube.autos/

Kirby Central:
https://sites.google.com/view/kirby-central
https://sites.google.com/students.garlandisd.net/kirby-central-backup/kirbys-home

LotsOGames:
https://sites.google.com/view/lotsogames/

Aerial:
https://sites.google.com/view/aerialswingz/home
https://www.derrickaerial.me/

School Games 444:
https://sites.google.com/view/schoolgames444/home

Most Fun Games 69:
https://sites.google.com/site/mostfungames69/home

Duck Math:
https://duckmath.org/index.html

The Cyber City:
https://sites.google.com/view/cybercityunblocked/gxmes

He1l: Opens in about:blank
https://he1l.netlify.app/
https://hell-alpha.vercel.app/

MonkeyGG2: Opens in about:blank
https://monkeygg2.github.io/

Ruby Arcade:
https://rubyarcade.netlify.app/ [link hub]
https://rubyarcade.pages.dev/
https://educationalmath.pages.dev/

OLD Ruby Arcade:
https://onlinehistoryandlearningforteensandkids-us.vercel.app/
https://onlinehistoryandlearningforteensandkids-uk.vercel.app/
https://learningmathematicalequationsforhighschoolers-online.vercel.app/
