Splice is an experimental puzzle game for iPad, put together by a developer called Cipher Prime. It was originally released on Steam and has received several awards. After being selected for PAX 10 and Indiecade 2012, Splice has made the jump over to iPad.
Splice is intriguing in that it's not easy to get into, as it's a puzzle game that plays hide-and-seek with its mechanics. But it definitely creates a striking mood, and it wordlessly communicates its principles quite well.
The basic idea is that you've got to line up what appear to be biological cells in a certain order,