Storming the Grandmothership Home Storming the Grandmothership 0.0 / 5 ( 0 votes ) Your Rating? Discover Storming the Grandmothership – Play Free Now on WebGameFree! How fast can you destroy the Grandmothership and all of her cores? Shoot by mashing or holding the 'x' button. Aim your option buddy by holding the 'z' button (pauses the game as you're aiming). Destroy the big 'eye' cores to earn power-ups and get a better fighting chance against evil. Wreck havoc, destroy as much as possible for extra points! Watch your shields (bottom of the game window), if they get depleted it's "game over, man!" Categories in which Storming the Grandmothership is included: Arcade