Viktor is a dynamic arcade shooter with a side view. Victor's story begins in Eos, a world divided into two realms: the Overworld and the Netherworld. The fragile balance between these two kingdoms is suddenly destroyed when Mephistopheles, the hungry king of the world of the Void, lays siege to the Upper World. After suffering and betrayal in the Legion, Zane, the leader of the Underworld, turns to Victor as his last hope for salvation.