Swap Swaps

Look at these cute aliens! They want to get back to their home planet, but the only way to do that is reaching the dark portals. Swap objects with aliens and roll them into the portals.

It's time for these cute aliens to travel back to their home planet, but there are some obstacles they must avoid before entering the portal. Swap the aliens with the objects around, but stay away from the evil aliens. Collect all stars and deliver all aliens to the portals.