Onslaught is an online 2D multiplayer, zombie survival shooter featuring endless amounts of customization & content, and takes a whole new meaning to the word depth. From economy trading to player created customization, every player is unique in the dead world known as Irithium.

Onslaught is an online 2D multiplayer, zombie survival shooter featuring endless amounts of customization & content, and takes a whole new meaning to the word depth. From economy trading to player created customization, every player is unique in the dead world known as Irithium.