Earth vs. Mars

Purchase every unit ability in a single campaign.

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Purchase every unit discount in a single campaign.

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Purchase every DNA type in a single campaign.

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Finish the campaign in Brutal Mode on any difficulty.

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Complete the campaign on any difficulty.

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Have less than 100 marsonium.

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Kill three units that reward marsonium in one campaign mission.

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Finish the campaign in Permadeath Mode on any difficulty.

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Play a challenge mission.

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Use a commander power.

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Kill at least one of every core Martian unit.

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Kill a Martian Blaster.

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Kill 100 Martian Blasters.

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Kill 500 core Martian units.

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Destroy a Martian Saucer.

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Destroy 100 Martian Saucers.

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Kill one Martian trooper.

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Kill 100 Martian Troopers.

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Download and play a custom map.

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Publish a cool custom map.

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Fill every slot on a single volunteer.

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Slot three different DNA types on a single volunteer.

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Reclaim the essential elements of a fully spliced soldier.

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