"RAAAAAAAHHHH!!!"

The wind was knocked out of your lungs as an ear-splitting shockwave rippled through the dry earth, deafening you for a second. Clutching your helmet, you stumbled backwards, stumbling over a zombie's corpse and directly into the cause of the tremor— your teammate, Slammer.

"You! Watch it!" The woman barked, shoving you aside as she raised her sledgehammer to demolish a fresh wave of zombies.