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Idle Space Fleet

Free online casual game · Plays instantly in your browser · Works on mobile & desktop

Idle Space Fleet gameplay screenshot
Quick answer
Is Idle Space Fleet free?
Yes — 100% free, no payment.
Download needed?
No — it plays in your browser.
Works on mobile?
Yes — phones & tablets, full touch.
Session length?
About 2–10 minutes.
Players?
Single player.

Command a deep-space mining operation in this sprawling incremental: drones gather resources, a huge tech tree unlocks automation, and warships you design yourself carry your empire across the galaxy.

About Idle Space Fleet

Idle Space Fleet drops you at the helm of a fledgling mining operation and lets the numbers tell the story. Drones haul in metal and crystal, storage and refineries multiply, and a genuinely deep research tree keeps unlocking machines that automate whatever you were just clicking by hand. It's a clean, menu-driven incremental, and it keeps working while you're gone — an offline-progress tally greets you every time you return.

The midgame earns the Fleet in the name: you design warships module by module, weighing armor and shields against raw firepower, then send them into battle against enemy fleets to expand across the galaxy. Redesigning a loadout after a close defeat — one more shield, one less cannon — is the tactical heart of the game. When growth stalls, prestige resets your empire for permanent bonuses that make every later run faster.

It's for spreadsheet-hearted players who like their sci-fi in exponents. Saves are local to your browser in this version — no accounts, no cloud sync — with an Export / Import Save option in the settings for backups. Open-source game by scorzy, originally released as IdleSpace, used under the MIT license.

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How to play Idle Space Fleet

Buy mining drones to start the flow of metal and crystal, then reinvest in more drones, mines and research. Work down the tech tree to unlock automation, new resources and ship modules. Design warships module by module, group them into fleets and send them into battle to expand across the galaxy. When progress slows to a crawl, prestige to restart with permanent bonuses.

Controls

Entirely point-and-click: browse menus and buy upgrades with the mouse on desktop or with taps on a touch screen — no keyboard needed.

Tips & tricks

  • Check the research tree every time something new lights up — a single automation unlock usually outpaces hundreds of manually bought drones.
  • Don't build glass cannons: a ship that explodes before it fires contributes nothing, so balance shields and armor against weapons when you design a loadout.
  • Prestige earlier than feels natural — the permanent bonuses compound, so several brisk resets beat one stubborn marathon run.
  • Saves live only in this browser, so use Export / Import Save in the settings every so often to keep a backup copy of your empire.

Game features

  • 100% free to play — no payment, ever
  • Plays instantly in your browser — no download or install
  • Works on desktop, phone and tablet
  • No sign-up and no email required
  • Built with HTML5 — runs on any modern browser
  • Single-player — play at your own pace

Frequently asked questions

How do you play Idle Space Fleet?

Buy mining drones to start the flow of metal and crystal, then reinvest in more drones, mines and research. Work down the tech tree to unlock automation, new resources and ship modules. Design warships module by module, group them into fleets and send them into battle to expand across the galaxy. When progress slows to a crawl, prestige to restart with permanent bonuses.

What are the controls for Idle Space Fleet?

Entirely point-and-click: browse menus and buy upgrades with the mouse on desktop or with taps on a touch screen — no keyboard needed.

How do you get better at Idle Space Fleet?

Check the research tree every time something new lights up — a single automation unlock usually outpaces hundreds of manually bought drones. Don't build glass cannons: a ship that explodes before it fires contributes nothing, so balance shields and armor against weapons when you design a loadout. The full tips list on this page covers the rest.

Is Idle Space Fleet unblocked at school or work?

Idle Space Fleet is a plain web page — no plugin, no installer, no app store — so it loads on a Chromebook or a locked-down school or office laptop the same way any other page does. Whether it opens comes down to your network's filter rather than the game itself, and there is nothing to install either way.

What kind of game is Idle Space Fleet?

Idle Space Fleet is a free casual game that runs in the browser. Command a deep-space mining operation in this sprawling incremental: drones gather resources, a huge tech tree unlocks automation, and warships you design yourself carry your empire across the galaxy. A typical session runs about 2–10 minutes.

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