Delightful Creatures The "rising chimp" problem Mark Frauenfelder

puzzles The Missing Dollar puzzle from Martin Gardner's Aha! Gotcha book series Mark Frauenfelder

puzzles Can you solve the locker riddle? Mark Frauenfelder

Games Rush Hour Shift – A strategic twist on the classic get-the-car-unstuck logic game Wink

Games Can you solve all 100 of these stylish, simple puzzles? Leigh Alexander

star wars Star Wars Millennium Falcon gets a Pop Art makeover in this ready-to-frame jigsaw puzzle Wink

puzzles An artist is Kickstarting a jigsaw puzzle of his awesome toy ray gun painting Mark Frauenfelder

gift guide Fun and inexpensive pocket-size wood puzzles Mark Frauenfelder

offworld Subterrarium could become your new favorite puzzle game Leigh Alexander

Games Watch this guy solve a 7×7 Rubik's cube in record-breaking time Xeni Jardin

family Pill-popping panic – a good brain teaser Mark Frauenfelder

family Isis Adventure: Worst. Puzzle. Ever. Ron Garret

puzzles Puzzle sheds light on government policy, corporate America and why no one likes to be wrong Mark Frauenfelder

family Can you solve the 3-switches problem? Mark Frauenfelder

puzzles The famously difficult green-eyed logic puzzle Mark Frauenfelder

offworld Play the number puzzle that launched a thousand clones, now free Leigh Alexander

puzzles WATCH: World record smallest 7x7x7 Rubik's Cube Andrea James