GCC Puzzle Tutorial

Quick Guide on how to solve and 

complete the puzzle inside of GCC by GoldenSky

Sample GCC Puzzle

To solve the puzzle there are a few simple rules. 1st of all each row and column must equal to 15. In the example above the first row is 8+3+?=15. With simple math you can easily get the answer which is 4. On the second row you get a advantage because the center box is always 5. Like above, use simple math to get the next answer. 1+5+?=15, which is 9. This brings us to the last row.
6+?+2=15, answer being 7. After you get all the answers you have a sequence that can be used to complete the next portion. Sequence for this puzzle is 834159672. If and when you can not solve the puzzle going across, it is the same vertical as well. Each column also equals to 15. By using both you can always solve the puzzle.

 Numbered Rail

To complete the puzzle you have to enter the sequence into the rail on the side. The rail is numbered in reverse order starting with 9 on the left and ending with 1 on the right. to finish the puzzle and move on you need to click on the rails in the correct order. Using the sequence that we solved in the puzzle click on the rail that matches the sequence. Enter 834159672 by clicking on the rail that matches the sequence in order after which the puzzle is complete.