Archspace Science Fiction multi-player game on a galactic scale. Develop and manage your own planets. Construct mighty fleets of spaceships, and carry out your own attack and defense plans. Active interaction between the Empire and other players.
http://www.gamesdex.com/gameview.php/181
Astro Wars Free multi-player space strategy game runs in real-time. You start with your own planet. Build up and colonize planets in competition with other players.
http://www.astrowars.com/
Beyond The Stars III Play by mail space game about exploration, expansion, exploitation and extermination set in the future. NOTE: this is not a free game. You need to pre-purchase game time.
http://bts3.co.nz/
Call of Combat - Official Site A multi-player, real-time strategy game based on small-arms combat in WWII Europe. Players control four soldiers on a virtual battlefield and work together with other players on their team to eliminate the enemy team through tactical maneuvers with s
http://www.callofcombat.com/
Droidarena A game where every visitor can build a virtual robot, equip it with unique weapons and devices, and can send their droids to battle each other. NOTE: Pay to Play but may contain little support or help.
http://www.droidarena.com/index.html
DuelField Disciple is free version with 24 creatures on a chess-like board. The goal is to destroy your opponent's creatures using special powers.
http://www.duelfield.net/
Europa A multi-player real-time strategic action board game. The fundamental objective is to seek out and absolutely destroy every other player on the board.
http://europa.mochasoft.ca/
Galactic Empires for networks Galactic Empires is a multi-user-real-time-strategy game, where a bunch of space admirals commanding worlds and warships try to conquer the universe. It is meant primarily to be played among human players (half a dozen is about optimal).
http://aus.ch/gen/
Gang-Wars A turn-based multi-player game. Become a thug, drug dealer, or pimp, and group with others to battle rival gangs in an effort to become number one. Free membership expires after one month.
http://www.gang-wars.com/
Gates Motel A multiplayer web game loosely based on an old BBS game called Murder Motel. Collect the appropriate weapons, ammo and defenses. Find and eliminate targets and avoid being eliminated yourself.
http://www.gameslate.com/gatesmotel/
Go-Krida Mystic multi-player game about the five elemental races. Live out multiple lifetimes as you create worlds of peace or war.
http://chira.com/j/g/
Hyperiums A web-based game with planets, fleets, technology, alliances, cash resources, and spies. NOTE: account creation is limited unless a contribution is made.
http://www.hyperiums.com/
Medieval Warlords A wargame, where players rule historical kingdoms, leading their armies of armored warriors. To stay on your throne, you will need to use well-planned tactics, clever scheming, and ruthless determination.
http://www.agegames.com/mw/
Mutant Battles Your object here is to create a team of up to four mutants, and then fight with the other teams to gain experience and money. The goal is to be top mutant group and stay there.
http://www.mutantbattles.com/
Neveron This is a massively multi-player game set in the 33rd century. It takes place on a far away planet, Neveron. You become one of many battling for control.
http://www3.neveron.com/
Parallel Universe Fantasy online game which blends strategy with a large does of hacking and slashing, treasure, power, building your character, ruling provinces and eventually commanding your entire guild.
http://www.p-universe.com/
Promisance Manage your empire while battling opponents for land and resources. Play as a human, dwarf, elf, troll, gnome or gremlin in the past, present or future.
http://216.97.116.91/
Quest for Yap Quest for Yap is a free, space-strategy webgame of trading, commerce, diplomacy, violence and warfare. It includes a quest for the near-mythical Planet Yap.
http://www.yapquest.com/
Qyrann Online A strategic fantasy web game with role-playing elements. Build up an online empire, and defend it against thousands of players. Beta testing starts in summer of 2002.
http://www.qyrann.com/
Robostrike Flash game offers strategy and action and lets you compete against other online players. Take control of a robot, slugging it out for survival and trying to catch all the computer chips scattered over the game board.
http://www.robostrike.com/
RomanArena Every player gets to be a gladiator and fight against other gladiators in arenas, duels and tournaments. Alliance is very important and enemies should be spotted as soon as possible.
http://www.romanarena.com/
Roushi A futuristic, online economic market simulator. Start an account, build a company, and trade your way to financial freedom aboard the satellite Roushi-1.
http://www.roushi.net/
ShadowFigure Build a global network of businesses in an attempt to establish as much control and power as you can. Note: over 18 sign up for beta testing.
http://216.219.253.23/
SpaceCombat Turn based strategy game where players command races, build fleets, attack other players, conquer planets, and research technologies. Includes game information, screen shots, manual, FAQ, sign up, and forum.
http://www.spacecombat.net/
SpaceTrace Space strategy simulation where each player is the ruler of a planet who can build fleets with spaceships. Offers message board, online play, and manual.
http://www.spacetrace.org/
Squadies A free turn-based combat game set some time in the near future that sees six military factions vying for global domination. You must choose your allegiance wisely as you fight to control the most land in the name of your leader.
http://194.74.238.241/
Star Masters Galactic exploration and conquest where you take on the role of leader of a civilization and decide how to allocate your resources to best meet your goals.
http://StarMasters.com/
Starbase Command Interact with your own space station and those of other players. The object is to dominate each sector in every solar system with galactic points from your chosen Federation.
http://www.spacesim.com/
StarKnights Command a fleet of spacecraft, colonize alien planets, design your ships, build an economy, trade components and compete head-to-head against other players, in this space/strategy game.
http://starknights.com/
TEQ Turn-based, modern war game. Gather resources, research technology and build troops. Play as a team with others or as an individual.
http://www.playteq.com/
The Conquest Travel through time to a medieval world, where the fate of a whole country depends on your decisions. Test yourself. What kind of leader would you be? How would your country become the strongest? By war or by diplomacy?
http://www.theconquest.net/
War Games A massive multi-player war game online against other players. NOTE: Requires IE4 and javascript to play.
http://war.to/
Web Space Alliance Multiplayer turn-based space game playable over the internet. You will have to survive in a galaxy with more than 300 players, success or failure depending on how well you know how to manage your resources and on how skilled you are as a diplomat.
http://wsa.level7.ro/
Xenocide 3001 Battle for dominance against thousands of other players in real-time. Manage groups and planet resources. Note: Set broswer to show images and accept javascript and pop-ups.
http://www.xenocide3001.net/