Puzzle video games

A U.S. teenager has beaten classic computer game Tetris, forcing it into a game-ending glitch in a feat previously achieved only by artificial intelligence.

Willis Gibson, 13, a competitive gamer known as "blue scuti," became the first human to reach the "kill screen" of the Nintendo version of the puzzle game, as fellow players followed his progress online.

Maki Kaji, a puzzle enthusiast and publisher who was known as the "Godfather of Sudoku" - the number puzzle played daily by millions around the world - has died, his company said. He was 69.

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The three family adventure trails in operation are located in the immediate vicinity of Ljubljana and offer a few hours' experience for families looking for daily trips into nature and a relaxed, child-friendly way of getting to know new places and their specialties.