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