Nominated as a IGF Seamus McNally Finalist, NightSky is an ambient action-puzzle game that offers a gameplay experience unlike any other, as cerebral challenges fill uniquely designed picturesque worlds. The player must maneuver a sphere by using realistic physics to advance; each of these worlds is broken into different areas. The original soundtrack by experimental jazz musician Chris Schlarb will further heighten the surreal experience. IndieGames.com says: "NightSky does things with balls that you never thought possible, and is stunning in motion."
I really loved this game: the moody graphics, soothing music and lovely physics. It's only failing is that it's very short. However, there is another difficulty level to try so it's not too bad.