23 Difficult · RTS games your group can play together online, including The Gate Must Stand, Command: Modern Operations, and S.W.I.N.E. HD Remaster.
All games: 23
Fend off brutal waves of demonic hordes in this epic fantasy tower defense survivors like! Hack and slash among the action or zoom to strategically control the battlefield. You are the city’s last line of defense, build your base, defend the gate!
The ultimate tactical and operational military simulator. Command joint air, naval, subsurface, ground, space, and cyber forces from post-WWII to the near-future. Master real-world EW, C4ISR, and multi-domain warfare on a global map powered by the engine trusted by defense professionals.
S.W.I.N.E. HD Remaster is the new edition of the challenging classic strategy game S.W.I.N.E! The filthiest of all wars between the Rabbit and the Pig armies is a sophisticated real-time strategy with completely revised textures, detailed unit models, a 16:9 adapted interface.
Clash with global players in this epic real-time strategy game!
Mashinky is a transport strategy game about trains. The goal is to create your own transport empire on a procedurally generated map. It’s a unique blend of realistic graphics combined with an isometric construction mode and board game-like rules.
Defend, Attack, Survive! Build up your base and defeat the zombies with this unique combination of tower defense, base building and supply chain management. Now with multiplayer, mods and loads of new content!
Bio Inc.: Redemption is a realistic simulation and strategy game in which you make life or death decisions. Create a deadly illness to infect and torment your victim or play as the head of a medical team and hopefully find a cure to save your human patient. Will you be the plague or preserve humanity?
Screeps: World is an open source MMO strategy sandbox game for programming enthusiasts. You control your colony by writing JavaScript code that operates 24/7 in the huge persistent online open world.
Step into the microscopic world of Mitos.is! Eat or be eaten—become the ultimate cell in a highly addictive multiplayer game. Diverse modes, daily tournaments, guilds, and gear await! The BEST game of 2015 is back!
The ultimate melee action [GUILTY GEAR 2 -OVERTURE-] is now on Steam!! Pushing [Gameplay] and [Entertainment] to the extremes, with a splash of [Competitiveness] -- That's GUILTY GEAR 2 for you.
Plan a SWAT entry with one friend in Door Kickers’ two-player online co-op, then watch your routes meet real-time resistance.
Men of War: Assault Squad 2 expands the real-time tactics series with new skirmish missions, massive multiplayer battles, enhanced visuals, improved AI, and full Direct Control. Command five factions across 65 maps, 250 vehicles, and 200 soldiers in one of the most detailed WWII RTS experiences.
The new reference in RTS at its best! The Wargame series returns to duty, larger, richer and more spectacular than ever before. In Wargame Red Dragon, you are engaged in a large-scale conflict where Western forces clash against the Communist bloc.
Join an online or LAN team match in Original War, where named specialists, base building, and map-specific rules turn a retro RTS into a hands-on group effort.
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.
Play Wargame: Airland Battle’s turn-based Cold War campaign online with one friend, then fight its battles together in real time.
Choose between different factions, with their own set of expendable soldiers, mechas, and weapons. Protect your brain, mine gold, and destroy the enemy cortex in his bunker complex!
Join up to seven friends in a long strategy campaign against two AI empires. Expansion helps your resistance, but destroying key enemy infrastructure can draw more attention.
Command one of six world regions as radar, fleets, bombers, and nuclear silos turn DEFCON's tense alliance game into a contest to lose the least.
Dropzone is a game of action, strategy and skill. Win 15 minute battles by scoring points. Unlock gear, customize your squad of up to 3 Units and compete in Team 3v3, 2v2 or 1v1 matches. Lay claim to the riches of Europa!
A 1-bit real-time strategy game where you play as Death herself. Build structures, conquer lands, and lead legions of the dead against humanity. Humans thought they had defeated Death. Show them how wrong they were.
Control Craft 2 is a real time strategy game where you will have to act quickly against attackers who want to invade our planet! Wave after wave, your soldiers will overthrow the enemy colonies and will occupy enemy bases one after another.
Take command of mighty Vikings, sly Persians or brutish Demons! Destroy your opponent’s base while defending your own in this action-packed side-scrolling RTS!