Launch Hulk and the Agents of S.M.A.S.H. into a Gamma Storm to smash Annihilus and his army invasion.
Collect GAMMA RAYS to spend in the Upgrade shop and keep your GAMMA ENERGY full or you will fall from the sky!. Move the mouse left and right ro move the Hulk through the vortex, click to SMASH annihilus's minions and send them back to the Negative Zone!.
