Santas Xmas Tree Hunt (a modern snake)

In xmas tree hunt Santa (or a picture of yourself) has to catch as many Christmas trees as possible. Each tree you catch, you will carry behind you. You are not allowed to touch the borders or yourself including the caught trees.

There are 30 different levels. If you catch enough trees, the next level will be unlocked. Every next level, the field will be larger and Santa will move faster.
You can also battle against a snowman. Try to catch the trees before your opponent does. Try to surround your opponent. He will release some trees that way!
In the hardest level you play against the snowman, but there are also some obstacles in the way that you cannot touch!