If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
A post nuclear bomber-man about a wasted earth. The remaining human colonies are regularly attacked by mutated zombies coming from the depths of an old military laboratory. Blast yourself to the lower decks of the underground base, fighting the evil creatures and the radiation. Gather weapon parts to unlock the new, more powerful weapons!
Arrow keys- To move around.
Space bar- To place bombs.
Control key- To use your weapon.