Here's Nice Strategy, Indie, Casual game develop by Nicalis.
NightSky HD v1.0.0-OUTLAWS
an ambient action-puzzle game that offers a gameplay experience unlike any other—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.
2D platform/puzzle-based gameplay
Advanced 2D physics model
Multiple difficulties with unique topography
11 massive levels, each with expansive areas to explore
Multiple “vehicles” each with specific uses and dynamics physics
Additional secrets and unlockables
System Requirements OS: Windows XP or newer Processor: Intel Atom or above Memory: 512MB RAM Graphics: 3D graphics card DirectX®: N/A Hard Drive: 100MB