Nifflas, the creator of Knytt and Knytt Stories, has released Saira
It's not freeware, but you can play a great demo and when you like it you get more levels for 17$ - I like it :)
SAIRA
About
Saira teleported herself to Mars, but when she reached the planet all other humans in the galaxy had mysteriously disappeared. Now, how does something like that happen?
Description
Saira is a two dimensional puzzle platformer for Windows 2000 or later.
Purchase
For 17$ you can unlock the full version including 4 extra planetary systems. For an extra 2$ you can get an additional license for a friend! Before you buy make sure you've tested the demo version to be sure of compatibility. Saved files from the demo will continue to work in the full version. Purchase the full version of Saira, but please try the demo before you buy the full version to make sure it works on your computer!
Did I say that I like it? Yeah, I like it.
graylox