Documented for this version

Which controls does this version use?

Actions

Earth 2140 action controls
Left Mouse Button
Select units, buildings, or interface objects.
Right Mouse Button
Give a selected unit or group a movement or combat order.

How it plays

How does Earth 2140 play?

The game uses an overhead, mouse-driven real-time strategy perspective. Each mission requires the player to establish or protect a base, collect resources, produce units, and complete objectives such as destroying enemy installations or reaching a designated location.

Two opposing factions offer different technology trees, buildings, and military units. Players expand through construction and resource management, then improve their forces with research and captured or occupied strategic positions. Campaign missions provide structured progression, while skirmish and multiplayer modes support battles outside the main story.

Plan your run

What is the best way to play Earth 2140?

Secure resource sites early and protect the routes between them. A base that expands too quickly can become difficult to defend.

Scout before committing expensive units. Combine different unit types, keep repair or support facilities near the front, and research upgrades that match the mission rather than spending resources on every available technology.

Use terrain and chokepoints to limit enemy movement, and preserve veteran units whenever possible because replacing experienced forces can be costly.

Before you begin

What should you know before playing?

  1. 1

    Build defenses around resource facilities and production buildings.

  2. 2

    Keep mobile units available to respond to attacks on distant structures.

  3. 3

    Save before major assaults so failed attacks do not consume irreplaceable forces.

Community discussion

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