Step 1. Go the Command Room and accept the Field-Op.
Step 2. Go the Forest, and enter the Hidden Lake...
...and walk to the barrel.
Step 3. Puzzle found! Match the red dots with one another. If they do match, the dots will turn green.
You've finished the Field-Op mission! Here's your medal!
With these medals, you can buy Elite Gear! Each item is worth a certain amount of medals.
Visit us next week for the new Field-Ops cheats!