https://marcusotterstrom.itch.io/spark-of-life
The world is set in a dystopian future of a great civilization powered only by light. The world is now in ruins, everything is dark. The main character, Light (kek) is one of the few that survived. He has to go in the world, collecting light necessary to revive everyone fallen to The Great Darkening. He has to revive a lot of them, so he has to use his energy wisely. To revive everyone, he has to go through a set of puzzles that rely on the mechanics of light.