This was a childhood favorite of mine, especially given its a sequel to the first one, which I also loved. A really simple, yet fun game with a unique concept that felt kinda like making a paper airplane go as far as possible. Even once you got everything, there was still that strong desire to just...go farther and farther.
Then, you'll realize the secrets as a result. Overall, this game is really worth the time to dab in, especially if you wanna play with a friend watching, 'cause working together to make the most progress is truly a rewarding experience. I dunno how many times I finished it personally, but I tend to revisit it every couple of years.
Okay, so while this game is kinda fun, I see a lot of flaws in it. The general beginning leaves you really confused, as everything is cryptic. Shapes and such to represent various things, so I didn't know I was on my first level yet. Then I got in the hang of things, but...then things got more awry. As you progress, the learning curve spikes up, then down at random, with absolutely no explanation to what new things do as said previously. Eventually my game also crashed, and when I tried to reload, all I got was a black screen. This left me a little more frustrated, than amused...
 "Learn to Fly 2"){kind=icon}
 "Zenge: Starborn"){kind=icon}