Best Free Action Games for Browser in 2024!

Listen up all of you 8­bit lovers out there! As the name would suggest, 8BitMMO is a free to play retro­style 2D massively multiplayer game!

Adventure, magic, and fantasy await you in Aberoth, a free-to-play MMORPG crafted in the retro graphics of days gone by! Don’t let the graphics fool you, though, for Aberoth offers much to players who dare to embark on the path it offers.

Adventure Quest Worlds is a free 2D fantasy browser MMORPG from the same creators of AdventureQuest, DragonFable and MechQuest games. AdventureQuest Worlds' gameplay is surrounded around the in-game battles that occur.

Build up your lands and wage war against all comers in Armor Valor, a Norse-inspired strategy RPG from R2Games! The elves and the dwarves have allied against the humans, and in a far-off land, orcs have also risen up and declared war.

Explore the farthest reaches of space in Cybertopia Studios’ Astro Empires, a free to play text-based space strategy MMO that gives you something you’ve always dreamed of: the chance to build your own galaxy-spanning empire among the stars. As you start with your own planet in the farthest flung regions of unknown space in Astro Empires, you will learn to gather materials and develop new technologies to turn your previously unnoticed rock into a mighty empire befitting a galactic emperor.

Clash of Avatars is a free to play browser-based ARPG with simple controls and ease of play that’s virtually unrivaled in the realm of online gaming. It’s light-hearted, casual fun with a bright and cheery anime style that’s evident even when you’re hacking through scores of enemies.

Crystal Saga is a free-to-play 2.5D browser MMORPG with a vast virtual world. Players may choose from five available classes: Mage, Paladin, Priest, Ranger and Rogue.

Become a devil hunter and challenge the forces of evil in Dark Knight, a free-to-play browser MMOARPG from Fortune Game Ltd. Start off as a sorcerer or slayer and summon a goddess to fight by your side as you ascend to become the ultimate devil-fighting machine!

Take part in huge intergalactic battles and take on the whole galaxy in DarkOrbit, the free-to-play browser-based space combat MMO from Bigpoint -- now in 3-D! Choose your faction and your ship, each with their own strengths, and take off into adventure!

Dino Storm is a 3D RPG browser-based MMO by Splitscreen Studios. Players embark on a perilous journey to DinoVille, with nothing more than a change in their pockets, some ammunition, a loaded laser cannon, and your very own dinosaur.

Drakensang Online is a free to play 3D action RPG game that features extraordinary 3D graphics and effects and heralds the next generation of free-to-play online browser games. With the ability to customize your character, skills and magic powers like never before, join your comrades to wage a brutal war against evil.

Eldevin is a free-to-play Browser MMORPG (and client), from Hunted Cow Studios. Set in the Eldevin Kingdom, players must protect their homeland against the Emperor of the Infernal Empire, hell bent on obtaining powerful artifacts which are sure to plunge the kingdom into chaos and confusion.

In InnoGames' Elvenar, you can build an epic fantasy city, populated by elves or humans, and watch it grow into a sprawling metropolis, awash in riches and brimming with military might. The elves have powerful magic at their disposal, while humans are well-versed in the arts of war.

Empire: World War III is a free-to-play browser-based strategy game from the developer of Legends of Honor. Players guild bases, train units, and control them in battle.

In 37 Games' newest title, you'll cut your way through endless hordes of demons and other cursed beasts as you seek to unravel the mysteries of the ancient and mysterious Felspire. Choose from one of three characters and choose from over 100,000 outfits to make your mark on the world and carve your name alongside the gods themselves.

Forge of Empires is a browser-based MMORTS by InnoGames. Relive history as you rule over your empire through the stages of early human civilizations.

Fame and glory await you in Westeros, in Game of Thrones: Winter Is Coming, the officially licensed free-to-play browser game based on the epic fantasy series by George R.R. Martin.

Are you ready to conquer the Olympus following in the footsteps of Ulysses, Achilles and the Greek heroes? Then join us for a unique adventure into the world of Ancient Greece.

Ikariam is a free-to-play browser based MMORTS with familiar gameplay, PvP multiplayer and civilian micromanagement Ikariam features real-time progression, the game’s time flows whether you are online or offline, that offers a harrowing experience for many players as it can mean the difference between the success or loss of their city. Set within a chain of Greek-inspired islands, Ikariam challenges players to manage their resources while forging their own city-state.

Initially released in 2005, Imperia Online is among the most recognizable RTS games online, especially in Europe, Brazil, Turkey and Russia. The current 6-th version "The Great People" was released in 2013.

Embark on an epic quest to save world in League of Angels - Heaven's Fury, the latest entry in the free-to-play browser-based MMORPG franchise. Play as a mighty Dragoon, the enigmatic Mage, or deadly Archer and recruit your team of angels from the sides of light and darkness to fight against demonic beasts and their vile masters in a gorgeously rendered fantasy world.

Goodgames' Legends of Honor is a free-to-play browser MMORTS game that puts players in charge of sprawling medieval kingdoms and lets them engage in fierce struggles for territory and glory. Harvest resources, levy taxes, build up your armies, recruit valiant heroes, join an alliance, and invade your enemies, but beware!

Lord’s Road is a free-to-play 2D browser-based fantasy MMORPG that features two playable classes. While some players may call its simple two-class system (Warrior and Mage) limiting, many players enjoy the fresh challenge that Lord’s Road has placed before them.

Fight for the goddess Athena and earn amazing rewards in Omega Zodiac, a free-to-play browser-based action MMORPG from Proficient City and Game Hollywood. Choose one of three classes: the melee knight, the nimble archer, or the arcane mage, each with its own play style and special powers.

Pirates: Tides of Fortune is a free to play browser-based 2D MMORTS developed by Plarium. Players begin the strategy MMO game with an upgradeable island and a handful of resource points to put into their gold and lumber facilities.

Rail Nation is a free to play 2D browser-based train simulation strategy MMO game, published by Travian Games and developed by Bright Future. Rail Nation offers players the ability to choose between the opposing factions Eastern Atlantic Railway or the Western Pacific Railroad, each seeking to control the rail system and expand their network of trains as they progress through the game.

Realm of the Mad God is a free to play 2D browser based cooperative MMO shooter with RPG elements and retro styling straight from the 8-bit era. Fight monsters in groups of up to 85 players!

RPG MO is a free-to-play retro-style sandbox MMORPG featuring pixilated graphics and wide, colorful world in which players can level up various combat abilities, or take a break from the hack-and-slash and focus on crafting skills. This 2D open-world MMORPG is available on PC via browser, client and Steam.

RuneScape is one of the most popular free-to-play Browser MMORPG, from the British development studio Jagex. Set in a detailed, medieval fantasy world of epic scale both geographically and historically, RuneScape proudly draws its inspiration from classic role-playing games to deliver a contemporary, innovative and original experience for millions of players across the globe, with a popular subscription option of even greater scale and ambition, both running directly within almost any computer’s browser.