Kongregate is a portal for free online games featuring user-created content, badges, and player achievements for casual gamers.

Addicting Games offers thousands of free online browser games across categories like Arcade, Puzzle, and Shooting, playable instantly on desktop and mobile.

Y8.com is the internet's #1 platform for playing over 100,000 free online browser games instantly, featuring HTML5, WebGL, and preserved Flash titles.

Yandex Games is a free online platform offering a large collection of diverse browser games across categories like Action, Puzzle, Sports, and Racing.

Kizi is a free online gaming portal offering thousands of browser-based games for mobile, desktop, and tablet users, focusing on instant, no-download fun.