A game about joining bubbles, to become a big enough bubble so that you can explode. Then starting as a new little bubble and start from the beginning.

1-dimensional version of "Bubble Bobble"

You are a small bottom feeder, living on the ocean floor. Constantly hunted by much larger creatures. You have to use these large creatures to your advantage to avoid starvation. Let the big guys chomp on your fellow bottom feeders, then enter the creatures from behind and enjoy your predigested meal. Just don't forget to get out of there in time!