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.

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!

Avventura nel Castello is a 1982 text adventure game by Enrico Colombini and Chiara Tovena, the first to be created and sold commercially by an Italian author, later included with the Apple II itself.

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!

Pattern Survivors: Bullet Hell is a dynamic action game where you take control of your space tower and design your own attack patterns to fend off hordes of enemies.

A side-scrolling action game originally published on Naoto’s Script in 2001. It consists of 17 stages including hidden one and its goal is to find a star in each stage, collect 4 stars at least and defeat the boss in the last stage. The author, Naoto Fukuda, is known for his taste for making parody games. Therefore, it is basically inspired by a series of Super Mario Bros. (especially Super Mario 64). Many enemies look very similar to Pokémon characters. It is often mentioned as the most popular browser game on the Japanese Internet in the early 2000s.

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.

Drift Boss is a one-button drifting game where you have to avoid falling off the edge and collect coins.

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.

Gooboo is an idle / incremental game where you manage multiple features in a mysterious, unknown world. Gather different resources to buy a huge variety of upgrades to increase your resource gains. Progress in your main features to unlock new content and learn more about this world. And when progression starts slowing down, prestige individual features to take your gains to the next level.

Faul! is a card game played online.. Just create a lobby to play the Faul! game with your friends. You can invite your friends by sharing the link of the lobby with them. Each team can have a maximum of 5 people. The red team always starts the game first. In order to reach the set target score, the narrator tries to explain the words before him to his teammates without using the forbidden words. While a team is telling, a person from the other team can check the banned words. The first team to reach the target score wins the game. It is easier to reach the target score as the red team is always the first narrator. Therefore, for the Blue team to win the game, it is sufficient to get 2 points less than the target score. To explain this with an example, if the game ends with 20 points, it is enough for the blue team to collect 18 points.

Dîrok is a unique game. First because it is the first game that combines four in a row with deck building and second because it is the first turn-based game in real time. That means that while you are on your turn to make your move, things continue to happen on the board. This raises a new level of strategy never seen before. In addition, the game has more than 100 real historical figures with which to form your deck and all of them will have a bio that will help us better understand who they were. As if that were not enough, the characters will have different levels of strength, defense, life and dodge, in addition to having unique positive skills for allies and/or negative ones for enemies, thus being able to change the dynamics of the game at any time.