Grineer Onslaught

 is the 19th track of the Warframe Soundtrack, it is an upbeat industrial music which is one of the two combat soundtracks used in most the Grineer tilesets, them being Grineer Asteroid, Grineer Forest, Grineer Galleon, Grineer Sealab, Grineer Settlement and Grineer Shipyard.

Grineer Onslaught is one of the two available combat soundtracks for the Grineer, the other being Grakata (Soundtrack). When not in combat, this theme transitions into Gene Molds.

Trivia

 * Grineer Asteroid Fortress, or Kuva Fortress itself, is the only Grineer tileset which does not utilize this theme by default.