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Resources are indispensable materials for every faction's survival and war efforts, especially in Earth 2150, each faction must gather a vast amount of resources in order to build a fleet to escape from the doomed Earth.

Throughout the Earth series, several forms of rescources appear.

Earth 2150[]

In Earth 2150, only one kind of resources (ores) is seen in-game, marked by "rhombus" or "four-pointed stars" on the ground, bigger the markers, larger the reserves.

Woods and water bodies are presented in many missions and multiplayer maps, but they're not resources. Destroyed buildings and units leave husks on the ground, only serve as obstacles to be cleansed.

In expansion packs, disabled units and structures of enemies can be captured then recycled for additional resources. Players can also recycle their own units and structures should in need of more resources.

Earth 2160[]

Earth 2160 features three kinds of resources: Water, Metal and Crystal. The Aliens are the only faction which requires all three, the other three factions only need two of the three.

Water[]

Water is needed by the ED and the LC, it usually appears as ices on the ground, also rarely comes in the form of geysers.

Some missions feature ponds and lakes, but they cannot be mined (with one or two exceptions).

Metal[]

Metal is needed by the ED and the UCS, it appears as grey/black deposits on the ground.

Crystal[]

Crystal is needed by the UCS and the LC, it appears in the form of glass-like clusters on the ground.