Popular games built on game engine JavaScript

Tetr.io is a modern yet familiar online stacker developed by osk. Play against friends and foes all over the world, or claim a spot on the leaderboards - the stacker future is yours!

OGame is a strategy game set in space, with thousands of players from across the world competing at the same time. You only need a regular web browser to play. You start out with just one undeveloped world and turn that into a mighty empire able to defend your hard earned colonies. Create an economic and military infrastructure to support your quest for the next greatest technological achievements. Wage war against other empires as you struggle with other players to gain the materials. Negotiate with other emperors and create an alliance or trade for much needed resources. Build an armada to enforce your will throughout the universe. Hoard your resources behind an impregnable wall of planetary defences. Whatever you wish to do, OGame can let you do it. Will you terrorize the area around you? Or will you strike fear into the hearts of those who attack the helpless?

Inspired by RuneScape, Melvor Idle takes the core of what makes an adventure game so addictive and strips it down to its purest form! Melvor Idle is a feature-rich, idle/incremental game combining a distinctly familiar feel with a fresh gameplay experience. Maxing 20+ skills has never been more zen. Whether you're a newbie, a hardened veteran, or simply someone looking for a deep but accessible adventure that easily fits around a busy lifestyle, Melvor is an addictive idle experience unlike any other. Do you have what it takes to conquer Melvor?

Gorescript is a classic first person shooter game, inspired by the great old classic FPS games that defined the genre. Fight your way through 18 handcrafted levels of frantic action paced gameplay, from easy to hardcore levels of difficulty.

GenTown is a web-based experience that allows the player to simulate a human-like civilization. The game's features include civil unrest, wars, revolutions, natural disasters, economies, and laws.

gorescript is a voxel based first-person shooter.

Dragon Court was originally a game released around 1997 as a Java Applet, but became abandonware around 2017. By using Internet Archive's Wayback Machine, much of the game was salvaged, and through the use of cheerpj framework, it was brought back to life for modern browsers.

An Indie MMORPG inspired by classic MMOs and smashing tropes together.

Minecraft Classic is a JavaScript remake of Classic 0.0.23a_01, made to celebrate 10 years of Minecraft and was uploaded to the Minecraft website. This version can be played at classic.minecraft.net for free.

Infinite Chef is a cooking simulation game that can be played directly in a web browser. It features a unique dish name generator and hundreds of ingredients to cook and play with.

Get it right and discover new flags! Enjoy playing Flagaroo and test your knowledge of world flags!

A Multiplayer 2-4 players Ship shooter game previoulys launched as a extension on Chrome addon market in 2004 but now have his own page on Itch.io on 2021.

An agar-style game with many new features and social profiles. The original AgarIO Hub, created by BielSAA in October 2015, was shut down in early 2019. In October 2023, the community recreated the game to allow everyone to relive their nostalgia. The game is now owned by Py9 and Chance.

Unlock Knowledge Battles! Navigate StudioQuiz, your arena for explosive culture clashes, daring trivia duels, and victorious conquests with friends in a world where every question is an adventure!

In the browser-based KingsAge game, you build a mighty kingdom from a small castle: Construct a variety of buildings, train armies and research new technologies. Fight your enemies and expand your empire through tactical alliances and skilled warfare. Write your own story as a glorious ruler now!

Kittens Game is a village simulation text game. You manage a village of kittens as they acquire resources and unlock new technologies. Over 30 different buildings, 50+ resources, hundreds of technologies and upgrades. No ads or micro-transactions!

A daily quiz where the player has to guess the football team by their home hit... one piece at a time

Step into 'Nihilum', a retro RPG that weaves together elements from the real world and a mystical fantasy realm. Take on the roles of Célestin and Alexandra, non-identical twins, who evolve and mature as you solve puzzles, unravel mysteries, and tackle survival challenges. Engage in strategic combat, level up, and equip your characters while discovering hidden treasures throughout the game. Embark on a journey filled with brain-teasers and battles that shape the twins' destinies in this captivating adventure. Dive deep into 'Nihilum' and uncover the secrets hidden in every corner of its unique world.

"My Life in New York" is a mobile simulation game where players step into the shoes of a character trying to build a new life in New York City. The game focuses on navigating daily challenges like managing a career, social life, and finances. Players can explore the city, decorate their apartment, and make decisions that impact their virtual life. It’s a casual, life-simulation experience with a focus on personal growth and success in the bustling urban environment of NYC.

Prepare for fast-paced, strategic combat in Mordeny, a thrilling 2D top-down shooter where quick reflexes and tactical thinking are your best weapons. Explore unique gamemodes and customize your own character as you unlock new abilities and gear. Whether you're battling solo or teaming up with friends, Mordeny offers an action-packed adventure like no other where every battle demands precision and skill. Join the fight and experience the thrill today!

You pick up and deliver different types of goods all around the city.

Play Gomoku with your Twitch viewers! Login with Twitch and Just chat to vote. The coordinate with the most votes is the chosen move. Already popular on Twitch. Played by several streamers with 100k+ viewers!

Guess the view count. You will be presented with a random Twitch stream and you have to guess how many viewers they have.

This game lets streamers play Wordle with their chat.