The phrase "tricky puzzle" is correct and usable in written English.
It can be used to describe a challenging or difficult problem or situation. Example: The crossword in today's newspaper was a tricky puzzle, but I managed to solve it in the end.
This was a tricky puzzle for me: how did you do?
It is a tricky puzzle and may delay the use of 18-year-old Januzaj in his best position - although he still needs the decision-making skills that come with maturity - while the Mata deal sounds ominous for Kagawa.
He did not show emotion, he did not vent anger, he simply observed the situation, identified the problem, and began to think in a rational way about how he could solve the tricky puzzle at hand.
It's an amazing game full of tricky puzzles and wonderful graphics.
Tougher rocks yield only to more expensive tools and caves hide their treasures within tricky puzzles.
But that's really just part of the gameplay, and you can simply skip some of the more tricky puzzles.
Boomstick is less varied than Angel, whose ornate settings, tricky puzzles and more complex level design give the game play greater depth.
(You need to ask yourself: what would you do if you were a talking dog trying to save the soul of Santa Claus and a DeSoto car?) The second season has increased the difficulty with each episode, and Beelzebub has some really tricky puzzles.
The second area is that pace of change and ambiguity requires people to think and solve tricky puzzles in the workplace -- not just execute like they did in the old world.
In 2013, Jill was ranked as 30th on the list greatest heroine in video game history by Michael Rougeau of Complex, and Tom's Guide's Marshall Honorof included her among top ten video game female protagonists, writing that "equally good at gunning down the undead and solving tricky puzzles, Jill set a high standard for heroines in survival-horror games: smart, capable and devoted to her partners".
Some tricky puzzles will give you hints about what someone doesn't have, such as "Brad didn't make a dessert".
