Platforming (Mis)Adventures: Braid, And Yet it Moves and World of Goo

In recent years, the adventure genre has shown a noticeable trend away from puzzles as a primary focus. Oh, sure, there are always new conundrums to solve, but often now they're secondary considerations, their frequency scaled back and their challenge toned down. Gone are the heady days of text adventures and their equally cerebral graphic brethren, replaced by an emphasis on that hottest of buzzwords: accessibility. One result is the "casual adventure" (for lack of a better term) that Adventure Gamers has looked at before. To one degree or another, many gamers celebrate this transition as a positive change, but for others the question remains:

Where have all the puzzles gone?