Puzzle Areas are locked places inside specific Monuments, such as the Military Tunnels or the Airfield. To get inside them, the player has to use the color-matching keycard and place an Electric Fuse inside a Timer, which needs to be turned on.
Green Puzzle Areas[]
To get into Green Puzzle Areas, the player needs a Green Keycard and an Electric Fuse (except on the Oil Rig and Large Oil Rig). These areas contain Loot Crates and Military Crates and a Blue Keycard.
Blue Puzzle Areas[]
To get into Blue Puzzle Areas, the player needs a Blue Keycard and an Electric Fuse (except on the Oil Rig and Large Oil Rig). These areas contain Mid Tier loot and a red keycard.
Red Puzzle Areas[]
Red Puzzle Areas are the highest tier puzzle areas, therefore have the highest tier loot. To get in them, the player needs a Red Keycard and an Electric Fuse.