The Grineer are a militaristic faction in the game Warframe, known for their advanced technology and cloning capabilities. They are characterized by their heavily armored soldiers and a strict hierarchy, often relying on brute force and overwhelming numbers in battle. The Grineer are primarily focused on expanding their empire and maintaining control over their territories. Originating from a failed cloning experiment, the Grineer suffer from genetic degradation, leading them to seek out new technologies and resources to sustain their dominance. Their society is built on oppression, with a rigid caste system that enforces loyalty and obedience among their ranks.