Welcome to Conquête des étoiles

Your Mission

You are the commander of your civilisation's space force, tasked with leading your people’s expansion across the stars of the galaxy. As the head of your civilisation, you must defend, explore, and expand your empire.

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Help Videos

This page brings together the available help videos to introduce the main game rules, the first turns of gameplay, and several advanced features.

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New Graphics – Part 2 launched on May 23, 2026

Quick Overview of the Interface

Date: May 15, 2026
Length: 2 min 15 s
Quick Overview of the Interface
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Getting Started — First Turn Guide

Date: May 16, 2026
Length: 6 min 41 s
Getting Started — First Turn Guide
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Getting Started — Second Turn Guide

Date: May 17, 2026
Length: 4 min 28 s
Getting Started — Second Turn Guide
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Legacy Graphics

My First Turn — Getting Started

Date: November 2, 2024
Length: 5 min 33 s
My First Turn — Getting Started
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My Second Turn

Date: November 3, 2024
Length: 5 min 08 s
My Second Turn
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My Third Turn

Date: November 4, 2024
Length: 6 min 04 s
My Third Turn
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My Fifth Turn

Date: December 29, 2024
Length: 7 min 11 s

More stars, more actions, and a practical reminder about optimal population management.

My Fifth Turn
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Adding Information to the Map

Date: November 4, 2024
Length: 2 min 03 s

Add colored circles around stars and custom text displayed when hovering over them.

Adding Information to the Map
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Automatically Managing My Star After 200 Years of Experience

Date: October 30, 2024
Length: 1 min 12 s

Available after the 20th completed turn. Automatically calculates population transfers between orbits, industry construction, and Colony ship production.

Automatically Managing My Star After 200 Years of Experience
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Managing IPd After 200 Years of Experience

Date: October 29, 2024
Length: 2 min 03 s

Available after the 20th completed turn.

Managing IPd After 200 Years of Experience
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Automatically Transferring Colony Ships to Fleet After 250 Years of Experience

Date: November 5, 2024
Length: 1 min 30 s

Available after the 25th completed turn. Automatically transfers all Colony ships from accessible stars to Fleet 1.

Automatically Transferring Colony Ships to Fleet
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Configuring Automatic Star Orders After 350 Years of Experience

Date: December 30, 2024
Length: 4 min 04 s

Available after the 35th completed turn. Automatic configuration lets you focus on expanding your civilization and planning your strategy.

Configuring Automatic Star Orders
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The Benefits of Controlling a Quadrant

Date: December 30, 2024
Length: 1 min 46 s

Controlling a quadrant grants additional benefits, including an extra fleet, bonus experience, and the ability to tax stars within the quadrant.

The Benefits of Controlling a Quadrant
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Traveling Through Wormholes

Date: January 2, 2025
Length: 2 min 33 s

Wormholes become visible after 280 years of existence. The Wormhole technology must then be researched before they can be used.

Traveling Through Wormholes
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Building a Planetary Ring

Date: March 27, 2025
Length: 7 min 50 s

A Planetary Ring is a massive structure built around the largest planet of a star. It is divided into modules designed to house population and industries.

Building a Planetary Ring
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The Galactic Market

Date: July 28, 2025
Length: 5 min 34 s

The Galactic Market manages the buying and selling of minerals and Industrial Products (IPd) between civilizations.

The Galactic Market
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Building and Managing an Ark

Date: January 4, 2026
Length: 6 min 15 s

The Ark is the logistical, strategic, and expansion hub of an advanced civilization. It allows you to colonize faster, farther, and more efficiently.

Building and Managing an Ark
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