*Missable*

The first puzzle you have to complete in the game is the ‘Cracked Crossword’ puzzle. However, this puzzle doesn’t count. You have to complete the first puzzle, on your first try, while in the field. In other words, while you’re in ‘Scoggins’. The first puzzle you come across in Scoggins is the ‘Directions & Detour’ puzzle after talking to the ‘creepy man’ (Bjorn). Beat this puzzle on your first try and this trophy will unlock. If you’re stuck on this puzzle, you can check out the answer here: Puzzle solutions

Everytime you go to the Moose Ear Diner, talk to the guy in the back (Steve) eating soup. He will give you 3 puzzles: 'Air-Mailing', 'Contraband Carriers' and 'Hot Hawks'. If you miss the last puzzle, don't worry, at the end of the game you can play free play where you can play all the puzzles again or the puzzles you've missed.

Story related.

After talking to the Sheriff a second time in the ‘Moose Ear’ diner, you need to go outside. A cut-scene will start. A red gnome will appear behind your snowmobile and disappears shortly after. Afterwards you need to go to ‘Sasimy woods’. After completing the puzzle which you’ll find at the frozen guy (Mike Lob), you’ll have to go to ‘Lake Svenz’, where you’ll meet ‘Mr. Scruffman’. Talk to him.

Story related.

After talking to Bjorn a second time, you’ll have to inspect the fence. Once done, you have to go inside Valda's Inn and complete the 'Room Key Confusion' puzzle.

Story related.

After going back to the Lodge a third time, you’ll have to solve the ‘Locksmithing Learner’ puzzle. You’ll get caught by the sheriff and he points a gun at you. He’ll get distracted by the crossword puzzle in your pocket. Nethers throws the puzzle away and the sheriff will go after it, trying to solve it.

Story related.

After solving the ‘Window Watcher’ puzzle at the lodge, you’ll get caught by the sheriff and he takes you back to your hotel. After he leaves, you see Glori sneaking around. After following and spying on her, you’ll get caught by the red gnomes. Nether runs away and runs into a tree. While unconscious, you’ll enter a dream in space and have to complete the 'Screw-up in Space' puzzle.

Story related.

When you leave Lake Svenz, you’ll have to go back to Valda’s. At Valda’s, you’ll have to complete the ‘Stovepipe Stumper’ puzzle. While trying to solve the puzzle, a gnome will appear. After following the gnome outside, you’ll see him talking to Bo Murphy. Afterwards, Nelson wants to check out of the hotel. However, after talking to Martha he will change his mind and stay.

Story related.

After some puzzles, you’ll get a piece of the lock from the factory. Once you have all of them, you can go to the factory to unlock the door. Once you complete the last puzzle, the ‘Hydraulic Headache’ in the factory, the last cut-scene will start. Once the credits start, the trophy unlocks.

There are a total of 37 puzzles. 13 of these puzzles aren't required to progress the story. However, for this trophy you need to complete all the 37 puzzles. Every time you go somewhere, try to see if there's a puzzle available or someone to talk to. If you miss a puzzle, don't worry, at the end of the game you can play free play where you can play all the puzzles again or the puzzles you've missed.

*Missable*

“Nelson Tethers thinks best when he’s chewing gum. … ANY kind of gum. Find discarded gum and use it to get a hint during a sticky puzzle.” Gum can be found all over the place in Scoggins. They can be used to open up hints. However, this trophy requires you to use no gum (hints) at all.

If you’re stuck on a puzzle, you can check out the answers here: Puzzle solutions

*Missable*

After every puzzle, the ‘Agent performance evaluation’ will tell you the name of the puzzle, hints used, wrong answers, total stars and a rank. If you complete a puzzle without the help of any hint and you don’t submit a wrong answer, you’ll get 10 out of 10 stars along with the rank ‘Top Agent’. For every wrong submission, you'll lose 3 stars and for every hint used you'll lose 2 stars. To close the case with the rank of ‘Puzzle Agent’, you’ll have to complete most of the puzzles without a wrong answer. If you're going for the 'Perfect Puzzle Agent' trophy, you'll also get this one. There’s no lime limit, so you can take all the time you want.

If you’re stuck on a puzzle, you can check out the answers here: Puzzle solutions

*Missable*

After you’re done with a puzzle, you’ll have to submit it. It will get send to the ‘Department of CASE PROCESSING AND VERIFICATION’ which notifies you on the ‘Submissions Processed’. This submission process should be a total of 1 for every puzzle (along with a Tax dollars spent amount of $75,642.98). Also, the ‘Agent performance evaluation’ will notify you on the total wrong answers for every puzzle.

There are a total of 37 missions in which you can't submit a wrong answer.

If you’re stuck on a puzzle, you can check out the answers here: Puzzle solutions