Best Online Games in 2025

Play chess on Chess.com.

Key Chess.com features:

Large User Base Educational Resources Tournaments and Events Mobile App

All-in-one AI sales engine: discover 50M+ leads, scale cold email, manage CRM, and close deals faster with Co-pilot.

Key SalesTarget.ai features:

Lead Generation Email Outreach CRM & Integrations Co-Pilot

Try for free paid Free Trial $30.0 / Monthly

The complete chess experience, play and compete in tournaments with friends others around the world.

Key Lichess features:

Free to Use Open Source Ad-Free Variants

Open Source

An online game marketplace and community.

Key itch.io features:

Indie Focus Revenue Split Customization Community Features

The smash hit game! Control your cell and eat other players to grow larger! Play with millions of players around the world and try to become the biggest cell of all!

Key Agar.io features:

Simple and Addictive Gameplay Multiplayer Experience Free to Play Cross-Platform Availability

Diep.io is a multiplayer action game available for web browsers, Android, and iOS, created by Brazilian developer Matheus Valadares. Players control tanks and earn points by destroying shapes and killing other players in a 2D arena.

Key Diep.io features:

Engaging Gameplay Multiplayer Interaction Free to Play Browser-Based

DRM-free game store, selling both new and old titles. No clients required.

Key GOG.com features:

DRM-Free Games Classic Game Availability Frequent Sales and Good Pricing User-Friendly Refund Policy

Slither.io is a multiplayer online video game. Players control an avatar resembling a worm, which consumes multicolored pellets, both from other players and ones that naturally spawn on the map in the game, to grow in size.

Key Slither.io features:

Simple and Engaging Gameplay Multiplayer Experience No Download Required Aesthetic Appeal

Poki.com is one of the best-personalized discovery platforms for free online games where you can play thousands of games directly in your web browser.

Key Poki features:

Wide Range of Games Free to Play User-Friendly Interface No Downloads Required

Roll20 is a suite of easy-to-use digital tools that expand pen-and-paper gameplay.

Key Roll20 features:

Accessibility Integrated Tools Large Community Dynamic Lighting

Open Source

Enjoy the vast offer of Steam, Origin, Uplay, Battle.net, GOG, PSN and XBOX CD-Keys at the most attractive prices on the market. Don’t overpay – buy cheap on G2A.COM!

Key G2A features:

Wide Selection Competitive Pricing Global Accessibility User-Friendly Interface

Crazygames is the most popular free online gaming site that provides thousands of games that you can play directly in your browser.

Key Crazygames features:

Wide Variety of Games Free to Play User-Friendly Interface No Download Required

Play 2048 Game Online. Join the numbers and get to the 2048 tile!

Key 2048 features:

Simple Gameplay Addictive Educational Free to Play

Guess the hidden word in 6 tries. A new puzzle is available each day. The official game.

Key Wordle features:

Cognitive Stimulation Educational Value Social Interaction User-Friendly Design