Games like Deuterium Wars on Steam
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Of Guards And Thieves
Of Guards and Thieves is a multiplayer stealth game in which high-powered guards face off against fast and elusive thieves in a contest of wits. Outsmarting the enemy and shooting your way through to the goal are equally valid strategies. Simple rules, emergent gameplay and high replayability.
Karos
A mysterious sorceress, a stern swordsman, or a cheerful gunner - which path in the world of Azmara will you choose? Join the thousands of heroes who have already discovered this easy-to-learn and low-hardware MMORPG! Look around as you walk out of the city - the enemy can be anywhere!
Rakion Chaos Force
A Free to Play Online Action RPG. Rakion focuses on intense battles with RPG style characters and settings to provide an engaging fighting experience. Build your character, improve your combat skills, summon creatures as allies and work out clever strategies to win the battle alone or as a team.
Rebel Forces
Are you ready to be the ultimate soldier and fight until you defeat all of your enemies?
Therian Saga
Therian Saga is a MMORPG that tries to stand out of the crowd by offering a compelling storytelling surrounded by a massive mathematical set of rules that define the world your hero will evolve in. It could be said that it borrows elements from old-time MUD games, strategy games and even tabletops RPG.
Angeldust
ADVENTURE. ANYWHERE! Explore endless magical worlds and battle fearsome creatures alongside millions of friends. Ride your own horse, bear or moa and discover the many game world wonders. Unleash your imagination by crafting beautiful buildings.
Subspace Continuum
THE legendary free online multiplayer space shooter! Addictive, fast-paced, easy to learn, and impossible to master.
SoulSaverOnline
For the support : http://cssteam.soulsaveronline.com For the guide : http://www.soulsaveronline.com/guide/?rtype=G
Urban Rivals
Urban Rivals World - for fans and new players! Come to fight and stay for the collection!
Orake Classic
Orake Classic is an old school, 2D tile-based ORPG featuring a variety of skills, monsters, bosses, quests, and extensive lands to explore.
Spiral Knights
Join the ranks of the Spiral Knights. Stranded on an alien world, you must explore the ever-changing Clockworks beneath its surface.
Veterans Online - Open Beta
Veterans Online is a thrilling top-down twin-stick shooter suited for both casual and hardcore players, featuring fun warfare with easy to learn but hard to master mechanics.
Dragon Saga
Dragon Saga is a f2p arcade style side scrolling 3D Fantasy MMORPG set in a world of Dragons and magic. Choose one of four classes (Warrior, Mage, Thief, and Archer) and explore a rich world filled with unique monsters. Power up to unlock devastating abilities, hidden combos and hilarious effects.
Apotheon Arena
Apotheon Arena is the free online-multiplayer complement to the mythic Greek action RPG, Apotheon. Pit your skills with spear and shield against other players in brutal bronze-age combat. Battle across the statuesque arenas of Olympus, depicted with beautiful black-figure pottery artwork.
Valgrave: Immortal Plains
Valgrave is a free-to-play combo focused Battle Royale game. Every game you'll decide if are a spell-slinging sorcerer or prefer to let your fists do the talking. Grab a combo and level up to show up your opponents. There are over 100,000 combinations.
Cyber Hunter
Cyber Hunter is an open-world battle royale game featuring an unique combination of gaming elements, including survival, shooting and exploring. Any vertical surface in the Cyber Hunter world is climbable and players can glide down from high up.
Runes of Magic
Start your heroic saga today in a world full of magic and excitement: Choose your race, build a home and discover the fantastic world of Taborea in the classic free-to-play MMO!
EverQuest II
EverQuest® II is the epitome of massively multiplayer gaming - the ultimate blend of deep features, heritage, and community.
PlanetSide 2
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.
Impulse of War
Stop! You haven't captured the train yet? Didn't build a base and haven't mastered the planet? I won't jump from a springboard to take the flag! I'll be waiting for you!
Neverwinter
Neverwinter is a free, action MMORPG based on the acclaimed Dungeons & Dragons fantasy roleplaying game. Epic stories, action combat and classic roleplaying await those heroes courageous enough to enter the fantastic world of Neverwinter!