Join Hulk and the Agents of S.M.A.S.H. as they dive into a Gamma Storm to take down Annihilus and his invading army! Collect Gamma Rays along the way to upgrade your powers and keep your energy levels high, or you'll plummet from the sky. Use your mouse to guide Hulk through the vortex, and click to smash Annihilus's minions, sending them back to the Negative Zone!