Alien Tablets (Disambiguation)

Alien Tablets are items required to disable various Forcefield Controls in Alien Bases and other alien structures.

The Tablets are flat metal objects featuring various holes and attachments on the outer edges, with a large alien symbol visible in the middle of the object.

How the devices were used by the precursors is unknown, the data bank entry for the blue tablet suggests that as well as granting security clearance, they may have functioned as personal computers of a sort, possibly similar to a PDA.

Purple Tablet
The Purple Tablet is usually the first Tablet to be found, and is very frequently used in a number of locations. There are currently eight found in the game. The Quarantine Enforcement Platform requires three to unlock the upper entrance, the anti-gravity elevator, and the control room. The three Tablets needed to unlock these doors can be found onsite; two on Mountain Island, and one inside the facility in the room before the deactivation terminal. A fourth can be found in the Degasi Seabase on the Floating Island. The rest can be found in Mountain Island's Caves. After scanning the broken Tablet in front of the Quarantine Enforcement Platform's land entrance, the player can craft Purple Tablets at the Fabricator using an Ion Cube and two Diamonds.

The Purple Tablet can be used optionally to access the Dunes, Sparse Reef and the Blood Kelp Zone Alien Caches. It is also used to unlock certain doors in the Alien Thermal Plant and Disease Research Facility.

Orange Tablet
The Orange Artifact can be found in the Deep Grand Reef Degasi Seabase on a desk, and is presumed to be what Marguerit Maida had discovered, as shown in this log. This Tablet is exclusively used to access the Lost River Laboratory. The Orange Tablet is craftable, but only one terminal uses the artifact.

Blue Tablet
The Blue Tablet can be found in the Precursor Thermal Power Generator, and is used to access the Primary Containment Facility. One Tablet is needed to gain entrance to the facility, and a second one is used to unlock the Moonpool room. However, only one Tablet is available for pickup from the Alien Thermal Plant. It is craftable after the player either picks this Tablet up, or scans it.

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Trivia

 * There used to be two other Tablets colored red and white, but they can no longer be accessed in game.