Building · Military games to play together

26 Building · Military games your group can play together online, including OpenFront, SimplePlanes 2, and FrontWars.

All games: 24

OpenFront

A massively multiplayer real-time strategy game pitting hundreds of players against one another. Over one million nuke each other every month.

86% positive of 1,188 reviewsPlaying now: 638$6.99

SimplePlanes 2

SimplePlanes is back! Build planes, cars, or anything else using powerful procedural parts! Explore detailed environments with friends in multiplayer, cause chaos, or download 1,000,000 community crafts for free.

92% positive of 1,481 reviewsPlaying now: 171$19.99

FrontWars

FrontWars is a free-to-play multiplayer strategy game where hundreds of players battle for global domination! Build alliances, command armies, grow your economy, and unleash nuclear strikes to wipe your rivals off the map. No pay-to-win: only the strongest will rule the world.

75% positive of 140 reviewsPlaying now: 176Free

Territory: Farming and Warfare

From a small village of a dozen people to a small kingdom of thousands of people. Arrange for residents to work, gathering, fishing and hunting, farming and mining, processing and manufacturing. Trade, accumulate supplies, increase your strength, and fight evil forces and monsters.

84% positive of 746 reviewsPlaying now: 23$14.99

Global Protocol: New World Order

Lead any of 221 countries through a living 2026 world in this data-driven grand strategy game. Shape economies, politics and alliances, wage conventional or nuclear war, run covert operations, and rewrite the global order—alone or online with up to seven friends.

73% positive of 102 reviewsPlaying now: 6$19.99

Ultimate Zombie Defense 2

4-player co-op, zombie slaying, base building, boss battling mayhem! Cleanse the infected wave by wave and upgrade your base with traps & defenses in Ultimate Zombie Defense 2!

77% positive of 606 reviewsPlaying now: 12$3.69

Tuggowar

Tuggowar is the big-brain deckbuilding duel. Engage in tense combat on a solarpunk frontier. Assemble your deck turn by turn, discover powerful card combos, disrupt the enemy strategy, and pilot your well-oiled war machine to victory!

90% positive of 105 reviewsPlaying now: 2$7.99

Renaissance Kingdom Wars

The year is 1510. As wars rage across Europe, Africa, and the Middle East, it is the age of gunpowder and mercenaries - that changed the course of history. You can do it as well, going from a leader of men to the ruler of an empire in this unique mix of RTS and grand strategy.

70% positive of 141 reviewsPlaying now: 1$19.99

Attack on Toys

Relive Your Childhood Toys comes to life! Build your Army Toys, make battle scenario, watch the Toys battling each other, and customize your play with Attack on Toys Toy Box. Command your Army Toys to fight againts another toys strategically and keep them alive during battle!

92% positive of 1,170 reviewsPlaying now: 29$4.89

Ancient Wars: Sparta Definitive Edition

One of the most innovative Real-Time Strategy Games comes back totally renewed and improved to the smallest detail, with epic large scale battles, new civilizations, unit customization system never seen before in a game, 8K support, and much more.

74% positive of 462 reviewsPlaying now: 14$19.99

From the Depths

Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.

89% positive of 11,094 reviewsPlaying now: 385$7.49

Stronghold: Warlords

Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!

64% positive of 4,473 reviewsPlaying now: 78$39.99

Imperiums: Greek Wars

Unique combination of turn-based 4X and historical grand strategy with a mythological twist. Explore the ancient world and build a world leading civilization. Survive, expand, conquer... and win!

82% positive of 456 reviewsPlaying now: 14$29.99

Cepheus Protocol

Cepheus Protocol is an Open World RTS Military Survival Game. Play as the CERC hunting Patient 0, maintain Quarantine camps, fight dangerous mutations & Rogue Civilian Combatants . There’s nobody else coming, it’s up to you now.

75% positive of 3,016 reviewsPlaying now: 124$19.99

Airships: Conquer the Skies

Construct mighty steampunk airships and fly them into battle, waging war and conquering the skies!

95% positive of 6,221 reviewsPlaying now: 71$24.99

NavalArt

Design your own warships, equip them with a variety of armament, and bring them out to the ocean!

88% positive of 2,443 reviewsPlaying now: 92$13.99

Stronghold 2: Steam Edition

Tax, torture or treat your peasants! Rehabilitate criminals or sentence them to death? Decide as you enjoy jousting over a lavish banquet, all while under siege from the warmongering Lord Barclay.

88% positive of 4,935 reviewsPlaying now: 333$14.99

Forts

Unleash your creativity and strategic prowess in Forts, the exhilarating physics-based RTS! Design, construct, and customize imposing fortresses, bristling with devastating firepower, and blast your opponent’s buildings to rubble!

91% positive of 21,347 reviewsPlaying now: 471$14.99

Ashes of the Singularity: Escalation

A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat.

76% positive of 2,713 reviewsPlaying now: 40$29.99

Stronghold Crusader HD (2012)

The highly anticipated sequel to the best-selling Stronghold, Stronghold Crusader HD throws you into historic battles and castle sieges from the Crusades with fiendish AI opponents, new units, 4 historical campaigns and over 100 unique skirmish missions.

97% positive of 17,639 reviewsPlaying now: 882$9.99

Waves of Steel

If you like warships but wish they could kickflip, Waves of Steel is for you! Build your own custom warship and embark on a sprawling campaign filled with enemy ships, planes, submarines, and bizarre superweapons. Fast-paced arcade naval action is here!

89% positive of 409 reviewsPlaying now: 0$19.99

The Wall

[Servers Temporarily Shut Down!] Build. Gather. Breach. The Wall is a never-before seen mix of genres, where dynamic maps, slick combat, base building, and economy management all come together.

69% positive of 382 reviewsPlaying now: 0Free

D.O.T. Defence

Welcome to the frontlines! Build towers, muster armies, and conquer the map. Challenge yourself in the single-player campaign following the Chroma Wars, survive relentless waves in solo defense, or battle it out in local matches against friends and AI bots. Victory comes with the last HQ standing!

85% positive of 208 reviewsPlaying now: 0$14.99