ストラテジー · Economy · Military：みんなで遊べるゲーム

OpenFront

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

$6.99

Lead your people to victory on an ever-evolving world in this strategy game featuring asymmetric factions led by powerful heroes. Build your empire, wield political influence, and raise grand armies to wage war in a race to uncover dark secrets buried within the planet.

$49.99

Heroes of Might and Magic: Olden Era

Heroes of Might and Magic: Olden Era is the official prequel hailing back to the origins of the genre-defining, critically acclaimed series of turn-based strategy games. Raise grand armies and wield devastating spells to overcome your foes in both solo and multiplayer.

$39.99

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.

無料

ZeroSpace

ZeroSpace is a sci-fi real-time strategy game with an RPG campaign. Play the story as Commander Aster, securing humanity’s place in the galaxy, or team up with a friend in the co-op Galactic War and take on an endless variety of missions against the AI.

$33.99

Heroes of Science and Fiction

A turn-based sci-fi strategy that combines exploration and exciting clashes on the battlefield. Take control over several different species, raise powerful armies for your heroes and destroy your opponents! This HoMM-like is set in a scifi universe, with new mechanics on top of the classic formula.

$29.99

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.

$19.99

Warnament

An approachable turn-based grand strategy sandbox. Lead a nation, forge alliances, wage wars and rewrite history. Play solo or with friends, create your own maps and scenarios, and explore community mods on Steam Workshop.

$12.99

Dune: Imperium

The award-winning board game of strategy and intrigue in the iconic universe of Dune. The Spice must flow.

$22.99

Millennia

Create your own nation in Millennia, a historical turn-based 4X game that challenges your strategic prowess across 10,000 years of history, from the dawn of humanity to our possible futures.

$39.99

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.

$19.99

Ozymandias: Bronze Age Empire Sim

Build an empire in a single sitting. All the strategy of a classic 4X in a faster format, which also shines in multiplayer.

$14.99

Supreme Ruler 2030

Rise to power as any modern day country in a realistic military, political and economic simulation. Command your country's diplomacy, espionage, and resource management to strengthen your position. Use real-time tactical control of your military to fortify your place as the Supreme Ruler.

$29.99

Old World

Old World is a revolutionary new historical strategy game where you lead your dynasty over generations of rule against rival kings and queens. Wage massive wars, manage your court, and build a dynasty — or watch your empire crumble to dust. What legacy will you leave behind?

$39.99

Victoria 3

Paradox Development Studio invites you to build your ideal society in the tumult of the exciting and transformative 19th century. Balance the competing interests in your society and earn your place in the sun in Victoria 3, one of the most anticipated games in Paradox’s history.

$49.99

Dummynation

Geopolitical management game with real-time shifting borders and a streamlined gameplay, designed to minimize all burdensome chores while allowing an absolute strategic control, from military recruitment and deployment, to diplomatic and economic management.

$11.99

Rebel Inc: Escalation

A unique and deeply engaging political/military strategic simulation from the creator of Plague Inc. Balance competing civilian and military priorities and deal with a deadly insurgency in order to stabilise a war-torn country.

$14.99

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.

$19.99

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!

$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!

$29.99

Making History: The First World War

A turn-based WWI Grand Strategy game. Rush to field new modern weaponry and survive the horrendous attrition battles. Join the global conflict between the Great Powers of the age and forge a new world order for freedom or tyranny.

$24.99

AI War 2

The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.

$19.99

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.

$14.99

Making History: The Second World War

Choose a nation and prepare for the greatest conflict in human history, World War II. Build your military and industrial power, form alliances and race to achieve the advanced technologies that will bring total victory in this global-wide turn-based Grand Strategy struggle.

$29.99