Printable Logic Grid Puzzles - Brainzilla Printable Logic Grid Puzzles Download and play for free our printable logic grid puzzles (PDF). The files are grouped by difficulty (very easy, easy and medium) and are a great activity for all ages. They are also available to play online. Very Easy Puzzles Basic 1.pdf Basic 2.pdf Superheroes.pdf Easy Puzzles Apples to Apples.pdf Basic 3.pdf