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)

OGame Space War

OGame Space War is a sci-fi browser game. Your aim is to protect your resources, so you need to expand your defense facilities such as the Rocket Launcher, the Heavy Laser, an Ion Cannon, Light Lasers and more. Ships and Rocket Launchers protect you from your enemies, but they need to be researched first. Build a Light Cargo to transport resources to other planets. You can build an University to shorten the research time or build the Solar Power plant which absorbs energy from solar radiation. Join an alliance, create a buddy request, build more facilities, collect fleets and keep an eye on your empire.

7 votes, average: 3.71 out of 5 7 votes, average: 3.71 out of 5 7 votes, average: 3.71 out of 5 7 votes, average: 3.71 out of 5 7 votes, average: 3.71 out of 5

(7 votes, average: 3.71 out of 5)

GalaxyTrek

GalaxyTrek is a free sci-fi browser game where the aim is to expand your empire. Construct buildings and gather resources to achieve your goal. Make sure to build defenses as some players might try to steal your resources. Join an alliance to get better protection and find awesome tricks for the game. Use espionage-probes to gather information about your opponents and get ready to attack them. Owning more planets gives you the possibility to increase the production of resources, redeploy your resources and hide them. You can recruit heroes, take a look at the technology tree, build ships and conquer the Galaxy.

7 votes, average: 4.14 out of 5 7 votes, average: 4.14 out of 5 7 votes, average: 4.14 out of 5 7 votes, average: 4.14 out of 5 7 votes, average: 4.14 out of 5

(7 votes, average: 4.14 out of 5)

SpaceAlpha
New

SpaceAlpha

SpaceAlpha is a persistent open-world browser game where you build your space empire, colonize planets, mine resources, trade on market, climb the ladder, and much much more. The game is still in alpha version, but it's already playable and it's totally free. The game is a bit inspired by Ogame, but less text based. It has a pretty nice star system, planets are circling around their star for example. Many 3D animated elements in it.

7 votes, average: 5 out of 5 7 votes, average: 5 out of 5 7 votes, average: 5 out of 5 7 votes, average: 5 out of 5 7 votes, average: 5 out of 5

(7 votes, average: 5 out of 5)

Mush

Mush is a space-themed browser game. Your goal is to become the most celebrated hero. Keep in mind that the survival of humanity is depending on you. Start your journey by choosing the character between Gioele Rinaldo, Ian Soulton, Eleesha Williams and Roland Zuccali. Keep your health points high because you're dead if you run out of them. Action and Movement Points are both essential for moving around. Destroy hunters, cooperate with others and communicate with other people by using Walkie-Talkies. You will start playing in Simplified Mode but you can try the Normal Mode as you progress through the game.

7 votes, average: 4.86 out of 5 7 votes, average: 4.86 out of 5 7 votes, average: 4.86 out of 5 7 votes, average: 4.86 out of 5 7 votes, average: 4.86 out of 5

(7 votes, average: 4.86 out of 5)

Alone in the Universe

Alone in the Universe is a SciFi text-based browser RPG. Build factories to gather more resources. Manage your logistics and research undiscovered technologies. Colonize other planets to grow your power. While there is no PvP side to the game, you can still help other players in attacking enemies. Various spaceships with different damage levels. Another important side of the game - No pay to win, there are literally no bonuses you can buy for real money.

7 votes, average: 4.86 out of 5 7 votes, average: 4.86 out of 5 7 votes, average: 4.86 out of 5 7 votes, average: 4.86 out of 5 7 votes, average: 4.86 out of 5

(7 votes, average: 4.86 out of 5)

Space Odyssey

Space Odyssey is a massive free online space game about galaxy. Travel to the future and find yourself far far away in the galaxy. This game includes discovering the galaxy, developing your character, special items you will get and free markets. Build and design your own ship or play against other players. This cool space game is waiting for you!

6 votes, average: 3.67 out of 5 6 votes, average: 3.67 out of 5 6 votes, average: 3.67 out of 5 6 votes, average: 3.67 out of 5 6 votes, average: 3.67 out of 5

(6 votes, average: 3.67 out of 5)

Astral Conquest
Responsive

Astral Conquest

Astral Conquest is a free text-based sci-fi browser game where you can explore the galaxy and develop your strategy. You can construct various buildings to help you progress further in the game. Build a solar plant because solar power plants absorb energy and all mines need energy to operate. Consider building a research lab to conduct research into new technologies. You can build storages to provide storage for excess resources. In addition, you should build a shipyard because this is the place where ships and defensive facilities are built. Robot factories provide construction robots to help out in the construction of buildings.

6 votes, average: 4.33 out of 5 6 votes, average: 4.33 out of 5 6 votes, average: 4.33 out of 5 6 votes, average: 4.33 out of 5 6 votes, average: 4.33 out of 5

(6 votes, average: 4.33 out of 5)

Colony-Wars

Colony-Wars is a proper space strategy game. Your journey begins on a small planet and the aim is building a mighty colony. Create new units and don't forget to develop them. Technology section includes various categories and you can see information about current level and a short review of the next level. There are many different missions for you to complete and the rewards are money, resources or units. Create a new alliance, explore the galaxy by choosing directions or take a look at the highest scores. Combat with other players and rule the universe.

6 votes, average: 4 out of 5 6 votes, average: 4 out of 5 6 votes, average: 4 out of 5 6 votes, average: 4 out of 5 6 votes, average: 4 out of 5

(6 votes, average: 4 out of 5)

Empire Universe 3

Empire Universe 3 gives you an opportunity to become a commander. Choose your race, pick out a planet, name your colony and start playing. Collect resources to be able to construct buildings. In addition, after the construction, you can upgrade your facilities. You can take a look at the whole universe where you can see other planets. Complete different quests and earn rewards. You can also take part in battles and keep an eye on the battle report.

6 votes, average: 4.33 out of 5 6 votes, average: 4.33 out of 5 6 votes, average: 4.33 out of 5 6 votes, average: 4.33 out of 5 6 votes, average: 4.33 out of 5

(6 votes, average: 4.33 out of 5)

Multiverse Warriors
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Multiverse Warriors

Multiverse Warriors is a free universe browser game. You will start your journey in an undeveloped world and your aim is to create a mighty empire. You can spy on another player to see certain details such as their army size, attack capabilities, population growth, allocation of resources and even more. You can set another player as your commander which is beneficial for both parties - officers gain a percentage of the commanders income and commanders get a population bonus of the officers total unit production. Grow your population, command ships, upgrade your technology, forge alliances, train units, attack other players and destroy their ships.

5 votes, average: 4.2 out of 5 5 votes, average: 4.2 out of 5 5 votes, average: 4.2 out of 5 5 votes, average: 4.2 out of 5 5 votes, average: 4.2 out of 5

(5 votes, average: 4.2 out of 5)

CosmoPulse
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CosmoPulse

CosmoPulse is a browser strategy game in sci-fi setting. Build your empire, join alliances, fight pirates. Gameplay is slow-paced and encourages steady development. Mechanics of the game allow for plundering or taking over planets of other players. Another feature is a Fog of War which allows players to implement some secret tactics, and makes espionage important feature.In the Galaxy you can find also some ancient Relics, that can allow you to to travel faster, improve effects of training of your crew, or help to defend your planets from the enemies.

5 votes, average: 4.2 out of 5 5 votes, average: 4.2 out of 5 5 votes, average: 4.2 out of 5 5 votes, average: 4.2 out of 5 5 votes, average: 4.2 out of 5

(5 votes, average: 4.2 out of 5)

Space Kingdoms

Space Kingdoms is a text-based browser game with galaxy and solar systems. There are three spheres such as diplomacy, commerce and military. Manage your planet by constructing buildings, choosing the tax rate, increasing the income and keeping an eye on the unhappiness index. You can become a member of a federation by applying for membership or creating a federation. Trade Center gives you the possibility to buy or sell resources. Build a fleet, earn income from contracts, take a look at the available units on your planets, join battles, train spies, do research and explore the galaxy.

4 votes, average: 2.75 out of 5 4 votes, average: 2.75 out of 5 4 votes, average: 2.75 out of 5 4 votes, average: 2.75 out of 5 4 votes, average: 2.75 out of 5

(4 votes, average: 2.75 out of 5)

RoboWars

RoboWars is a free online robot RPG. Build your character and start attacking others. Gain skills to get stronger. Use the best armor and weapons to win the battles. Try to reach to battle rankings to be withing top 3 players. There are battle ranks and squad ranks where you can be the best. Collect mines and oil rigs or catch fish. Sign up to start this robot game right now.

4 votes, average: 1.75 out of 5 4 votes, average: 1.75 out of 5 4 votes, average: 1.75 out of 5 4 votes, average: 1.75 out of 5 4 votes, average: 1.75 out of 5

(4 votes, average: 1.75 out of 5)

Sol Source v2
Offline

Sol Source v2

Sol Source v2 is a strategy space-themed browser game. Make sure to construct a research laboratory to be able to access the research area. Build a Deuterium Refinery as Deuterium can be used as fuel for spaceships. Don't forget to construct a Solar Power plant as they absorb the energy. You could hire officials such as Admiral, Technocrat, Engineer, Commander and Geologist. Each expert will help you a little bit closer to your enemy. Merchant gives you the opportunity to sell your ships in exchange for resources. Explore the Galaxy system and make sure to reach the Hall of Fame.

4 votes, average: 3 out of 5 4 votes, average: 3 out of 5 4 votes, average: 3 out of 5 4 votes, average: 3 out of 5 4 votes, average: 3 out of 5

(4 votes, average: 3 out of 5)

1030 Wars

1030 Wars is a Sci-Fi online game. Strategy game where the main focus is on players' military structures. Players start from one small planet, but soon grow into big empires. You will be updating your fleets, building defense units and socializing with your alliance. Control your resources, manage your fleets and ships, research new technologies.

3 votes, average: 3.67 out of 5 3 votes, average: 3.67 out of 5 3 votes, average: 3.67 out of 5 3 votes, average: 3.67 out of 5 3 votes, average: 3.67 out of 5

(3 votes, average: 3.67 out of 5)

White Dwarf

White Dwarf is a free browser game that takes place after the fall of the great United Federation of Planets. You can find moon buildings such as Lunar Base, The Robotic Factory, The Shipyard, Sensor Phalanx and other facilities. Building screen is a place where you can build new facilities or upgrade existing buildings. The resource screen is where you can see the production of your mines and control production levels. The Ship Yard is for building fleets. Use technologies, take a look at the Galaxy, build defenses, join an alliance, create metal mines, produce energy, store excess resources and manage your planet.

3 votes, average: 4.33 out of 5 3 votes, average: 4.33 out of 5 3 votes, average: 4.33 out of 5 3 votes, average: 4.33 out of 5 3 votes, average: 4.33 out of 5

(3 votes, average: 4.33 out of 5)

Battle for Serios

Battle for Serios is a web-based roleplaying game about space and planets. There is a huge variety of different buildings, for instance you can build crystal mine, robot factory, metal mine, crystal storage, research lab, deuterium tank, and many other facilities. Every building has a short description where you can read its' advantages. Explore the wide galaxy, join/create an alliance, make some new friends and try to reach the top.

3 votes, average: 3.33 out of 5 3 votes, average: 3.33 out of 5 3 votes, average: 3.33 out of 5 3 votes, average: 3.33 out of 5 3 votes, average: 3.33 out of 5

(3 votes, average: 3.33 out of 5)

TransForce

TransForce is browser game combining strategy and sci-fi. Create your own city and start constructing buildings to advance. Different missions will help you through the game, are helpful and also give you bonuses. You can take over nearby cities and even form an alliance. Real cash items are too powerful and will give free players a huge disadvantage. Overall design and images are anime styled.

3 votes, average: 2 out of 5 3 votes, average: 2 out of 5 3 votes, average: 2 out of 5 3 votes, average: 2 out of 5 3 votes, average: 2 out of 5

(3 votes, average: 2 out of 5)

EuroUniverse

EuroUniverse is a free to play strategy browser game set in the galaxy. This is your opportunity to build awesome facilities such as crystal mine, solar power plant, deuterium refinery, metal mine, nanite factory, deuterium power plant, and so forth. In addition, there's a possibility to research various technologies which means you can explore laboratories. Under resources tab, you could take a closer look at the resources produced on the planet.

3 votes, average: 2.67 out of 5 3 votes, average: 2.67 out of 5 3 votes, average: 2.67 out of 5 3 votes, average: 2.67 out of 5 3 votes, average: 2.67 out of 5

(3 votes, average: 2.67 out of 5)

Nemexia

Nemexia is a free sci-fi browser game with the main aim to build a strong empire. Choose your race between Confederation, Noxis and Terteths. The planet includes three different zones. Develop your Resource zone by constructing facilities like Metal Mine, Solar panels, Gas refinery, Nuclear Plant and much more. Make sure to upgrade mines to be able to collect enough resources and construct more buildings. You can explore the Galaxy, create a new alliance, rearrange your flights, upgrade ships and earn special achievements. Complete missions, battle against others and become one of the best commanders in Nemexia.

3 votes, average: 5 out of 5 3 votes, average: 5 out of 5 3 votes, average: 5 out of 5 3 votes, average: 5 out of 5 3 votes, average: 5 out of 5

(3 votes, average: 5 out of 5)