Here is the full list of all 27 Big Surprise achievements.
Snowball, you did the right thing. :)
Acquaintance with the beautiful maiden
The toy of your dreams
The end, you could
Bear, killing him wasn't easy.:)
Seventh level
The wolf, it was not easy
Sixth level
Snowman, this stage is passed
Fifth level
Fourth level
Los, it's worth talking to
Gnome, went well
Balcony, jump in content
Gift for the girl, she was waiting
Third level
Boy waiting for gifts
Witch, you did it.
Death, try again
Second level
Gift first, go on
A third gift, well done
The gift you were waiting for
Crow, try to get it
Present the second, continue
Jump special, but you're cool:)
First level