1. 2010
   2006
2. 2011

Trainyard was first released in 2010.

1. Nolan Bushnell
   Matt Rix
2. Steve Jobs

Canadian game developer Matt Rix developed trainyard in 2009-2010.

1. playing with a toy train set
   going to a railroad museum
2. riding a train

The inventor of Trainyard got the idea for the game while riding a commuter train to work.

1. two
   four
2. one

Only one player can play a Trainyard puzzle at a time.

1. red
   aquamarine
2. green

Aquamarine is not one of the colors used in Trainyard.

1. finger
   stylus
2. controller

A player uses his or her finger to draw tracks.

1. many
   one
2. two

Trainyard puzzles often have many possible solutions.

1. difficult to learn
   requires advanced knowledge of statistics and calculus
2. has a gradual learning curve

Trainyard has been touted by reviewers for its gradual learning curve.

1. guesswork
   IQ points
2. trial and error

As trainyard puzzles become more complex, they require more trial-and-error experimentation.

1. 60 seconds
   There is none.
2. 7 minutes

Trainyard puzzles do not have a time limit.

1. a gimme
   a mulligan
2. a cheat

Puzzle solutions uploaded to the Web by other users are called cheats.

1. Russia
   Canada
2. Vanatu

The developer of Trainyard, Matt Rix, is from Canada.

1. $10
   $19
2. $0.99

Trainyard costs $0.99 to download.

1. China
   Crete
2. Rome

Maze puzzles were invented in ancient Crete.

1. 50
   21
2. There is no point system.

There is no point system in Trainyard.

1. 500 pages
   There is no instruction manual.
2. 235 pages

There is no instruction manual for Trainyard.

1. Gore vs. Bush
   Flying Saucers vs. Time Machines
2. Plants vs. Zombies

Plants vs. Zombies is a game on sale in the iPhone App store for $1.99

1. Sheep Mania
   Llamas on a Rampage
2. Adorable Puppy Jigsaw Puzzle

Llamas on a Rampage is not an actual iPhone puzzle game.

1. experiential
   collaborative
2. both

Trainyard involves both experiential and collaborative learning.

1. 30,000
   4 million
2. 200 million

Trainyard Express has been downloaded more than four million times, according to its promo.