Tadaaam! is a revision and repackaging by Cédrick Caumont and Thomas Provoost of the earlier Monstermaler. The most obvious change is that Tadaaam! comes in a big box (Monstermaler was just a pad of paper), with cards to suggest people, and now also objects and animals, that players independently draw right and left halves of with pens on wipe-clean boards to make one recognisable picture. The pictures are then revealed and the players guess what those they didn't draw are intended to be.
Along with revisions to the basic rules there are now easy, normal, difficult and character categories of things to draw and a spinner which adds one of six additional challenges to drawing: with the ear on the table, blind under the table, with the "wrong" hand, without the thumb, et cetera…