This is a standard jumping maze (see Jumping Mazes). The number on each cell tells you how far you can jump horizontally or vertically from that cell.
Start on the 4 in the top left corner, and find the shortest series of jumps that will take you to the finish in the bottom right corner.
Designed by Luke Johnson-Davies. Solution
Click here to display the solution to the Chain Reaction maze after a one-minute delay: