You’ll need to work hard to crack this Easter egg.

Gamers have discovered the latest Battlefield 4 Easter egg, its trail hidden across two of the first-person shooter’s sprawling multiplayer maps, including the recently released Dragon Valley. Developer DICE has a history of hiding secret features and rewards in Battlefield 4, but this latest treasure hunt is surely the most complicated yet.

A video from YouTuber JackFrags reveals the complicated Easter egg trail in its entirety, including hidden buttons — one secreted inside a tree — mysterious glowing lanterns, morse code messages, and distorted sound clips.

The reward for successfully following the winding trail of clues across two maps? A special DICE LA camo for your soldier, previously only available to developers on the game.

You can watch the full video below and decide for yourself whether the reward is worth the head-scratching journey.

https://www.youtube.com/watch?v=JuuzmOXL1bc