Fun
It's a fun game, and an extremely nice looking game. There are a few problems though. It's hard to see when you are going to go through a hoop because the playfield depth isn't made too clear. There are no horizontal lines and I'm not sure if his whole body needed to go through/avoid the rings/icebergs or if just the lower half of his body (which would make sense due to perspective, but it's still a little confusing.) Some horizontal lines in the playing field would help this..
Also, I fell in a puddle with about 1/5 life left and the screen kept going without the penguin coming back. I finally died by missing a ring.