Nicalis' award-winning ambient physics puzzler NightSky is now available as a universal app for the iPhone, iPod Touch, and iPad via the iTunes App Store.

The iOS version of NightSky features touchscreen-optimized swipe controls, along with alternate virtual d-pad and tilt-based control schemes. The game offers all of the content featured in the acclaimed PC release, along with a collection of unlockable bonus levels.

NightSky is priced at $4.99.