Use the keyboard A, W, D, S or arrow keys Left, Up, Right, Down, and mouse button - if the game description "Merry Christmas 11" is not stated otherwise.
Merry Christmas 11
Description: Christmas day is coming! The Merry Christmas series game comes back too! Assume you came to a house with your friends to celebrate this Christmas and a person is planning to decorate the Xmas tree. Help him decorate the tree and solve some puzzle in the game! Have a good time in Merry Christmas 11!