If you're looking for a relaxing yet challenging puzzle game, WayOut by Konstructors Entertainment is a great choice. The game is based on the Lights Out gameplay, but it goes beyond that and brings a great variety of level shapes and mechanics into it. The goal of each level is to switch off all tiles using the least amount of moves.

WayOut has a minimalistic UI that follows Zen philosophy, with no timers, score, or move limit labels. This allows you to focus solely on the puzzle at hand. The graphics are unique and the ambient soundtracks create a beautiful and relaxing atmosphere. The game features a combination of new and classic Lights Out mechanics, with 100+ handcrafted levels spread across 6 chapters, each with its own color theme and gameplay experience.

Overall, WayOut is a great puzzle game that tests the limits of your brain while offering a meditative and relaxing experience. The game is perfect for those who enjoy challenging puzzles without the added stress of time limits or scores.