| tiling puzzle(expression, game, toy, conundrum) |
| tour puzzle(expression, game, toy, conundrum) |
| train shunting puzzle(expression, game, entertainment, riddle) |
| transport puzzle(expression, game, toy, conundrum) |
| trigon puzzle(expression, game, entertainment, riddle) |
| truel(noun, game, entertainment, riddle) |
| unravel puzzle(expression, game, toy, conundrum) |
| verbal arithmetic(expression, game, entertainment, riddle) |
| void cube(expression, game, entertainment, riddle) |
| wason selection task(expression, game, entertainment, riddle) |
| wine-pouring puzzle(expression, game, toy, conundrum) |
| word game(expression, play, game, entertainment) |
| word ladder(expression, play, game, entertainment) |
| word polygon(expression, play, game, entertainment) |
| word search(expression, play, game, entertainment) |
| word search puzzle(expression, game, toy, conundrum) |
| word sum puzzle(expression, play, game, entertainment) |
| world puzzle championship(expression, game, toy, conundrum) |
| yajilin(noun, game, entertainment, riddle) |
| zebra puzzle(expression, game, entertainment, riddle) |