Games similar to OGame include HexaGalaxy, which is free. Other options are Space Agency, Space Agency 2138, ScrumbleShip and Stellaron. You're spoiled for choice with RTS Games like OGame: we list more than 25 alternatives for the web, Windows, Android, Mac and Linux.
Vendetta Online is a 3D space combat MMORPG for Windows, Mac, Linux and Android. This MMO permits thousands of players to interact as the pilots of spaceships in a vast universe. Users may build their characters in any direction they desire, becoming rich captains of industry...
United States
Bitfighter is a fast-paced team-based outer-space multi-player combat game. There are many game modes and unique maps. Players can (and do) create maps by using the built-in map editor. Space exploration for warfare, construction, and beyond! It's fast, fun, and frenetic.
Galaxy on Fire is a space combat and trading simulation. With cutting-edge 3D graphics, an unprecedented depth of gameplay and 10+MM installs over all kinds of mobile platforms, the title is rightfully considered a benchmark of sci-fi gaming on smartphones and tablets by fans...
Germany
EU
Free browser game. Conquer the cosmos in this epic strategy game. Build fleets, research tech, and dominate with alliances. Become the galactic emperor!.
You start with your first planet in a big galaxy and expand your empire with more and more planets. At the same time you have to defend yourself against other players, form alliances. All around a nice game and what is most important. No Pay to Win.
Dunmast is a browser-based idle MMO set in the golden age of piracy. You hold a port, upgrade its buildings, research, raise a fleet, and send it out to raid NPC strongholds and other players. Everything runs on timers, so the world carries on while you are away.
United Kingdom
In Evochron, you are free to seek your fortune as an independent mercenary in an adventure directed by your choices, abilities, and accomplishments. Each player can bring their unique skills and interests to the game, forming clans for cooperative goals or remaining solo to...
Browser-based 4X strategy game where you build a base, research tech, use a unique symbol-based portal system and fight other players in ground and space battles. Alliances, asteroid mining, scouting, and real-time visible galaxy battles form the core of its progression and competition.
CzechiaEU
Free browser-based space trading game with a real supply/demand economy, faction wars, player-built bases, autonomous fleets, and persistent galaxy simulation. No download required.
Arvoch Alliance is the definitive first person 3D space combat simulation from StarWraith 3D Games. As a flight commander in the Alliance Navy, you will take on the challenge of leading a team of pilots through a series of missions spanning the vast region of space known as the...
Browser-based space MMO recreating classic gameplay, featuring real-time multiplayer battles, space exploration with allies, ship upgrades, PvP combat, missions, loot, top-down design, fleet tactics, and free play on any device without installation or downloads.
FranceEU
Astro Empires is a space strategy browser game. The game runs on a persistent universe in real time.
Develop bases, research new technologies, trade with your neighbors, produce fleets, form alliances and engage into epic battles!
Portugal