Sci-Fi browser games

Featured in Sci-Fi browser games

Star Federation

Star Federation is a browser-based military-economic strategy game. Eight unique races, thousands of worlds in different galaxies. Evolve planets, explore and mine asteroids. Find artifacts. Declare wars, bomb & annihilate planets, control battles in real-time, practice piracy, sabotage, and espionage. Tons of options & ways to build unique spacecrafts.

27 votes, average: 4.85 out of 5 27 votes, average: 4.85 out of 5 27 votes, average: 4.85 out of 5 27 votes, average: 4.85 out of 5 27 votes, average: 4.85 out of 5

(27 votes, average: 4.85 out of 5)

HaloSphere 2
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HaloSphere 2

HaloSphere2 is a popular browser-based Halo-themed MMORPG. Before you can start playing, you have to join a faction. There is a short review of each faction where you can read its advantages and disadvantages. Choose carefully as this decision is a very important factor of your future. There's a possibility to buy a territory grid in different dimensions. Joining a clan requires at least level 10. However, if you want to create a clan, you have to be at least level 15.

16 votes, average: 4.94 out of 5 16 votes, average: 4.94 out of 5 16 votes, average: 4.94 out of 5 16 votes, average: 4.94 out of 5 16 votes, average: 4.94 out of 5

(16 votes, average: 4.94 out of 5)

xNova Online

xNova Online is Sci-Fi browser game. You find yourself in a galaxy filled with various planets. Construct your buildings for resources, research technologies and create your army. xNova was released in 2014 and has a very good and modern looking theme. Many different types of ships as well as defense units available. Game is still in beta, meaning bugs may occur and some features could be still in development.

14 votes, average: 3.36 out of 5 14 votes, average: 3.36 out of 5 14 votes, average: 3.36 out of 5 14 votes, average: 3.36 out of 5 14 votes, average: 3.36 out of 5

(14 votes, average: 3.36 out of 5)

Astro Galaxy
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Astro Galaxy

Astro Galaxy is a space themed massive multiplayer online browser game. You may sell and buy resources at SOL Corporation. Maintenance Facility allows you to hire employees and sell your ship's modules. Shipyard allows you to get new ships, change them and upgrade them. It is a late 2014 game with modern looks as well as tablet and mobile support. The most important stats are Stations, Ships, Station power and Ship power. Various technologies to research and plenty of players to interact with.

14 votes, average: 4.07 out of 5 14 votes, average: 4.07 out of 5 14 votes, average: 4.07 out of 5 14 votes, average: 4.07 out of 5 14 votes, average: 4.07 out of 5

(14 votes, average: 4.07 out of 5)

Galaxiur
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Galaxiur

Galaxiur is a tick based browser game where you need to build space units, attack other players and defend your own colony. The aim is to achieve the highest score at the end of each round. You could join an alliance to make new friends and support one another. You can also perform military operations and move units. Manage your research levels, population level, military levels and resource level to become successful. Fuel miners give you the possibility to fly your ships across the galaxy. Build technicians, activate certain planetary projects, construct facilities, do research and use the best strategies.

14 votes, average: 4.71 out of 5 14 votes, average: 4.71 out of 5 14 votes, average: 4.71 out of 5 14 votes, average: 4.71 out of 5 14 votes, average: 4.71 out of 5

(14 votes, average: 4.71 out of 5)

Battle Space

Battle Space is a browser-based text game set in space. You aim is to expand to reach the top. The first mission is constructing a research lab. It's necessary to unlock new ships and projects. Once your mission is over, report the quest and earn rewards. Mother planet is called Terrene and you can do research on Terrene Foundations. As you progress, you can build weapons laboratory, defense system, ship factory, and so on. Headquarters section allows you to explore galaxies, organize fleets and deploy ships.

14 votes, average: 4.43 out of 5 14 votes, average: 4.43 out of 5 14 votes, average: 4.43 out of 5 14 votes, average: 4.43 out of 5 14 votes, average: 4.43 out of 5

(14 votes, average: 4.43 out of 5)

AgeOfSpace
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AgeOfSpace

AgeOfSpace is a free strategy multiplayer browser game set in science fiction universe. The main aim is to expand to be able to dominate other galaxies. Make sure to build buildings, ships, defenses and new technologies. Allies are important and it's advisable to contact nearby players and alliances. Keep in mind that all research is essential to the development of your empire. Farming is an action where a player raids other players with weak defenses/fleets and a lot of resources. Try to avoid farming by having as little excess resources as possible. Build defenses, complete missions and explore the galaxy.

14 votes, average: 4.21 out of 5 14 votes, average: 4.21 out of 5 14 votes, average: 4.21 out of 5 14 votes, average: 4.21 out of 5 14 votes, average: 4.21 out of 5

(14 votes, average: 4.21 out of 5)

GigraWars
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GigraWars

GigraWars is a sci-fi browser game where you have an opportunity to explore the galaxy. One of the basic features is constructing facilities. There's a great possibility to turn the website into mobile-friendly layout. This means you can play GigraWars on PC and also use your smartphone or tablet. In GigraWars you can find an active forum which you can visit to ask questions or read suggestions. However, the game is in German, so it's a big help if you speak some German.

14 votes, average: 4.29 out of 5 14 votes, average: 4.29 out of 5 14 votes, average: 4.29 out of 5 14 votes, average: 4.29 out of 5 14 votes, average: 4.29 out of 5

(14 votes, average: 4.29 out of 5)

Warring Factions

Warring Factions is a free browser-based text game that takes you into a space world. You can take a look at the empire list, make your decision and join an empire. If you're not sure which empire to join, there is some information that should help you. For example, you can see members of each empire, name, score, alignment and bonus. There's an opportunity to employ scientists or you can wait for someone to migrate to your colonies.

13 votes, average: 4.92 out of 5 13 votes, average: 4.92 out of 5 13 votes, average: 4.92 out of 5 13 votes, average: 4.92 out of 5 13 votes, average: 4.92 out of 5

(13 votes, average: 4.92 out of 5)

Mech Quest

Mech Quest offers you an opportunity to have adventures in a fantasy world. The most common features are fighting and equipping items. Mecha equipment includes head, front shoulder, back shoulder, front arm and back arm. If you want to start battling, you have to press the battle button. There's a red bar which shows your hitpoints. Do your best, so the red bar wouldn't reach the zero. If there are no hitpoints left, you will be ejected from a mecha.

12 votes, average: 4.83 out of 5 12 votes, average: 4.83 out of 5 12 votes, average: 4.83 out of 5 12 votes, average: 4.83 out of 5 12 votes, average: 4.83 out of 5

(12 votes, average: 4.83 out of 5)

O-WN

O-WN is a multiplayer strategy browser game with sci-fi fantasy universe and space adventures. Humanity abandoned planet earth and your main task is to create a new home for humanity. Explore the Solar system, choose a planet and build your own colony. As soon as you have occupied the planet, you can construct buildings, research new technologies and grow your colony. Additional features are gathering resources, creating a fleet, fighting your enemies and expanding your empire to other planets. You should also become a member of an alliance to team up with your friends, protect yourself and create complex strategies.

12 votes, average: 5 out of 5 12 votes, average: 5 out of 5 12 votes, average: 5 out of 5 12 votes, average: 5 out of 5 12 votes, average: 5 out of 5

(12 votes, average: 5 out of 5)

Prosperous Universe
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Prosperous Universe

In Prosperous Universe you'll find yourself in a galaxy, managing your spaceships, finding allies and trying to get rich via buying and selling goods for profit. Realistic and changing economy in which you don't have to grind or waste hours in-game. All players are together in a single universe. No P2W, meaning no in-game purchases that give bonuses, there is a Premium status, but this will not make anyone overpowered.

11 votes, average: 4.45 out of 5 11 votes, average: 4.45 out of 5 11 votes, average: 4.45 out of 5 11 votes, average: 4.45 out of 5 11 votes, average: 4.45 out of 5

(11 votes, average: 4.45 out of 5)

SuperMechs

SuperMechs is an action based browser RPG. You start with a weak robot and work your way up by beating other mecha robots for experience and money. Buy new weapons, armors, droids and countless other items. Item upgrade feature to make your current items stronger. Multiplayer option available to test your skills and power against other players. Nice visual design, active community and interesting gameplay makes it definitely worth to play.

11 votes, average: 3.55 out of 5 11 votes, average: 3.55 out of 5 11 votes, average: 3.55 out of 5 11 votes, average: 3.55 out of 5 11 votes, average: 3.55 out of 5

(11 votes, average: 3.55 out of 5)

SotoWars

SotoWars is a free text-based browser game that takes you to the science fiction universe. You can explore the galaxy and you can see what planets are free to colonise. When you have found a free planet, you can start a ground exploration. As a new player you should know that there are many different actions to manage your planet. You can name your planet, upload an image, but you can also abandon your planet, in case that it is a colony.

11 votes, average: 2.09 out of 5 11 votes, average: 2.09 out of 5 11 votes, average: 2.09 out of 5 11 votes, average: 2.09 out of 5 11 votes, average: 2.09 out of 5

(11 votes, average: 2.09 out of 5)

The Fall

While playing The Fall, you can enter the sci-fi world with planets and galaxy. You ought to collect different resources with each giving you specific advantages. Currency resource offers you a possibility to purchase military and infrastructure. Build credits allow you to build those facilities. Population resource gives you an opportunity to raise troops and collect taxes. Use clever strategies, recruit military units and create an alliance.

11 votes, average: 3.82 out of 5 11 votes, average: 3.82 out of 5 11 votes, average: 3.82 out of 5 11 votes, average: 3.82 out of 5 11 votes, average: 3.82 out of 5

(11 votes, average: 3.82 out of 5)

Starwake

Starwake is a free multiplayer space game where it's up to you to choose your destiny. You can take control with your Spaceship and decide what to do. You can defend your Outpost or work up your career with energy and strength. You can also end up in jail when you have more than one account. In this game you can fight for your planet but will you do it? Try this unique game out and decide your destiny.

10 votes, average: 2.7 out of 5 10 votes, average: 2.7 out of 5 10 votes, average: 2.7 out of 5 10 votes, average: 2.7 out of 5 10 votes, average: 2.7 out of 5

(10 votes, average: 2.7 out of 5)

ClassicOcrack

ClassicOcrack is a free browser-based text game that allows you to enter the strategic sci-fi world. You can complete daily missions and gain experience which also helps you to gain levels. You should keep in mind that higher levels allow you to use more features. Build a research lab and you are able to do some research on your planet. So construct facilities, gain experience, expand your empire and explore the wide universe.

9 votes, average: 4.11 out of 5 9 votes, average: 4.11 out of 5 9 votes, average: 4.11 out of 5 9 votes, average: 4.11 out of 5 9 votes, average: 4.11 out of 5

(9 votes, average: 4.11 out of 5)

SkyLords

SkyLords is a browser-based RPG that includes strategy, space and diplomacy. Keep an eye on your planets where you can see total defense, energy, defensive shield, troops etc. Ships are necessary if you want to move around in the wide space. Diplomacy section allows you to join a clan which requires clan's password. You could also send a message to the clan's leader. Take a closer look at different missions, read through their description and complete them.

8 votes, average: 4.25 out of 5 8 votes, average: 4.25 out of 5 8 votes, average: 4.25 out of 5 8 votes, average: 4.25 out of 5 8 votes, average: 4.25 out of 5

(8 votes, average: 4.25 out of 5)

Zyperax

Zyperax is a free space-themed strategy game where you can create your own empire. Antimatter is the most valuable resource as it allows you to improve the empire. Crystal, Deuterium and Metal are resources that are getting produced on every planet. Darkmatter is a special resource that gives you a possibility to hire officers or increase your buildings and researches. You can construct buildings, do various research and create an alliance. You can also hire officers, earn academy points, create moon, purchase items from the market, earn achievements, reach the Hall of Fame and become the best in Zyperax world.

8 votes, average: 3.25 out of 5 8 votes, average: 3.25 out of 5 8 votes, average: 3.25 out of 5 8 votes, average: 3.25 out of 5 8 votes, average: 3.25 out of 5

(8 votes, average: 3.25 out of 5)

EternaVerse

EternaVerse is a browser game with space setting. Production section gives you information about your buildings, defense, shipyard, upgrades and research. You can purchase a blueprint package that includes shields, weapons, cargo capacity and speed. Galaxy allows you to explore the wide galaxy and discover other planets. Under Technology you can read about various ships, research, buildings, officers and defenses. Upgrade your planet and increase your resources.

8 votes, average: 3.88 out of 5 8 votes, average: 3.88 out of 5 8 votes, average: 3.88 out of 5 8 votes, average: 3.88 out of 5 8 votes, average: 3.88 out of 5

(8 votes, average: 3.88 out of 5)

Fleet

Fleet is a free text-based browser game with space setting. Find a suitable planet and land on it. You must train your skills such as accuracy, agility, tactics, hacking, engineering, cloaking etc. Complete various missions and earn awards for them. You can construct buildings such as coronal gas collector, heavy foundry, carbon hex factory and so forth. You can also equip weapons, armor, engines etc. Join an alliance, earn more credits, gain experience and apply for a faction.

8 votes, average: 4.25 out of 5 8 votes, average: 4.25 out of 5 8 votes, average: 4.25 out of 5 8 votes, average: 4.25 out of 5 8 votes, average: 4.25 out of 5

(8 votes, average: 4.25 out of 5)