Welcome aboard the Train of Thought! Travel across the USA aboard its expansive railroad network. Each station presents you with a puzzle, consisting of a set of words that has been chopped up and needs to be put back together based on clues. Practice your vocabulary, from common words with cryptic clues all the way up to those top-shelf ones we rarely use. Train of thought is also a fun way to prepare for the SAT!

Ten different routes are currently available, and many more to be added soon!

Ratings and Reviews

3.6 out of 5
33 Ratings
33 Ratings
Borthalomew ,

Jump on the fun train!

This game is a new classic! I love the challenges and fun play on words. I'm not getting off this train! A fun way to keep your brain going while playing a game at the same time.

Plenty of levels to play for free, but I ended up buying a couple more.

Awesome711 ,

Fantastic game!

Once you start playing, it's actually quite difficult to stop! Some of the words are real stumpers.

Ltady ,

Great game

unfortunately you must pay to play after completing the first game. I found this game fun, interesting, and entertaining--but I will play it sparingly, since each new level of the game costs .99


17.5 MB
Requires iOS 4.0 or later. Compatible with iPhone 3GS, iPhone 4, iPhone 4s, iPhone 5, iPhone 5c, iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XS, iPhone XS Max, iPhone XR, iPad, iPod touch (3rd generation), iPod touch (4th generation), iPod touch (5th generation), and iPod touch (6th generation).
English, Czech, Dutch, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish
Age Rating
Rated 4+
In-App Purchases
  1. Adirondack $0.99
  2. Amtrak Cascades $0.99
  3. California Zephyr $1.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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