From the back of the box:
Nuclear supremacy is in the cards!
The Manhattan Project: Chain Reaction captures the high-tension arms race of the acclaimed board game in a new streamlined card format! Balance your resources, decide between taking advantage of buildings' output or applying their workforce, and strategize your way to being the ultimate nuclear superpower!
Special Deluxe Edition: Includes 50 custom wood tokens to aid in your nuclear program's accounting!