Ryan Sobolski

A group of young people become lost in the jungle during a river rafting trip and stumble upon a long lost ruin that is home to a host of mysterious monsters.

The world has ended. The remnants of humanity now live underground. Tony, one of the last survivors, is tasked with staving off another disaster by pushing a button every 12 hours, as he progresses, he eventually discovers the horrific truth of his world.