Popular games built on game engine JavaScript

A daily puzzle game in which players must guess the five-letter word of the day within six attempts, with each failed guess giving them information as to whether the letters they have used appear in the correct word, and where.

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?

Chess.com is an online chess platform where players can compete against others or computer opponents in real-time and correspondence matches. The site offers training tools including tactical puzzles, interactive lessons, and video content. It supports various chess variants, tournaments, and club features, serving millions of registered users worldwide.

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?

Degrees of Lewdity is a text-based erotic sandbox roleplaying game, currently in development by Vrelnir.

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.

Grimvane is a 2D pixel art, browser based MMORPG that, like older games, focuses mainly on grinding, with no automatic systems or built-in bots. You grind to strengthen your character.

GT New Horizons (GTNH) is a Minecraft 1.7.10 modpack maintained and supported by dedicated community members just like you! With over 11 years in development, GTNH offers a carefully balanced and immersive experience to challenge players as they climb through the 15 tiers of technology. The ultimate goal of GTNH is to build the Stargate, an interdimensional teleporter and the symbol for absolute prestige, aptitude, and determination.

Xaldia is a browser-based 2D fantasy MMORPG set in a persistent online world. Players explore a fantasy environment, complete quests, battle monsters, develop their characters, and participate in multiplayer activities including cooperative raids, PvP combat, and parties. The game features character progression, equipment, spells, dungeons, bosses, and gathering activities such as fishing, mining, and woodcutting. Xaldia combines top-down 2D role-playing gameplay with real-time online multiplayer systems. Players can access the game directly through a modern web browser. The game is currently in active development, with additional content, gameplay systems, and world features continuing to evolve.

Throne of the Herald is the first expansion to Melvor Idle and continues the story of our hero as you discover more about the mystic forces that surround the lands of Melvor, and the dark forces that remain hidden outside of the Capital.

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

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.

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.

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.

This game lets streamers play Wordle with their chat.

Beholding the future is not the way the greats do. The greats don’t watch, they make! Seize your chance! Take control of a robot via ssh. Command your robot with a brand new command line interface and make them walk, climb, or maybe even make a cup of coffee! Platformer games, annoying as never before.

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!

A 3-D imagining of the 1981 Namco/Midway arcade game Bosconian.

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

FirstPlate is a first-person multiplayer cooking game about preparing orders, managing kitchen chaos, and working together under pressure.

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!

Geoguess is a free OpenSource game with Google Map StreetView inspired by GeoGuessr. When you start a round, you are teleport to a random position on Google Street View. Move and observe the vicinity. Try to guess where you are.