Aiko Island is a physics puzzler with a little different take than usual -- instead of flinging cute little guys around, you're instead working to keep them from falling off of the screen. The idea is that there are little blue creatures and little red creatures, and by deleting some of the red creatures (and/or support structures, just by touching them), you can remove them from the screen without letting the little blue guys fall.
It may sound complicated, but once you dive it, it's really that perfect mix of easy to understand and (eventually) really hard to master. Oftentimes, I just found myself trying experiment after experiment to see if I could make things fall correctly -- deleting some of the blocks in one order or another. There is some s