Puzzles in video games are great when they're done right. Having something challenge your grey matter and test your mettle can be just as entertaining as mindlessly shooting hordes of Nazis, zombies, or Nazi zombies.
Throughout the decades, we've had some absolute corkers, too. Just look at Portal, Braid, the classics of LucasArts or even Tetris for their ingenuity. When a puzzle is rewarding to gameplay or story, it becomes memorable for all the right reasons.
However, when a rollercoaster of an adventure comes to a grinding halt mid-ride because of a nefarious puzzle solution, it's a different feeling. One of rage, usually.
Such as using a clumsily handled bird analogy for piano keys, or an antagonising grass-muncher causing endless headache. Or that old favourite, the "pick the wrong exit and be sent back to the start" trap?
How about a game that has you translate its own obscure language to solve a puzzle, or a riddle so dastardly and randomised, you can't just chance your way through it?
Puzzles in games, be it core gameplay or set piece, are normally fun. But there's a time when one will push you too far. So just to remind you, here are ten of the most hated puzzles in gaming...