Atomic Puzzle XMas in Christmas style now! Clear each level by removing the atoms in the correct order. Can you predict the merging of the molecules so that there’s none left at the end of each level? Click the right atom in order to merge two others of the same color until having completely cleaned the screen. In this Christmas version, atoms have been replaced by pretty tree balls. The more you advance in the game, the more molecules will become complex. Can you manage to overcome 40 levels of Atomic-Puzzle Xmas?