Dark Traveller is an action-packed puzzle game with multiple storylines and open endings. The game tells the story of a world on the brink of apocalypse in the distant future. In the world, you travel through quantum space-time to rescue your homeland on the rocks with the help of your partner!

In the dying end of the world, you awaken in a quantum crevice. On your journey to salvation and home, you will encounter your AI partner Darkness, witness the mutual salvation of a father and a daughter, and travel through the myriad of time and space in history and future by using the quantum portal. You believe that if you open all the time portals yourself, you will be able to reconstruct space and find your way home.