Tin Foil Hats and More for the d20 System

In 1954, the Soviet bloc and NATO cooperated on first repelling, and then covering up, an alien invasion of Earth. The aliens' main weapons were telepathy-based, and they were able to make humans see what they wanted them to see. Although the aliens were defeated, the world's militaries and intelligence organizations couldn't be sure they had been driven off the planet completely, so they worked to create means by which their troops and operatives could keep from falling victim to the aliens mind-effecting powers, or to see through them even after falling sway to them.

With the immediate threat averted, however, cooperation between the two military alliances soon faltered, and it ceased completely when it was discovered that the Soviet military had been infiltrated by the aliens and that the enemy was undermining the effort to invent countermeasures. Many of their top scientists NATO--led by Britain and the U.S., with assistance from Japanese scientists--had better luck, and created two different types of devices to defend against the aliens: Psychic Blockers (codenamed "Tin Foil Hats" and Ocular Filters (codenamed "Cheap Sunglasses").

NATO's anti-alien devices were manufactured in labs located in a remote corner of what is referred to as Area 51 in Nevada. Their method of creation, and the fact they even were being created and given to chosen military personnel and intelligence operatives was such a carefully guarded secret that when a mishap with Atlantean technology in 1983 caused the building housing the lab and all in it to be shifted to another dimension, the knowledge of their existence was all but lost.

The surviving aliens of the 1954 invasion attempt have been trying to find and destroy the remaining devices, as they attempt to soften humanity for the day when another full-forced invasion is launched, while the U.S. government has been trying to reclaim and protect the devices.


PSYCHIC BLOCKER ("TIN FOIL HAT")
The Tin Foil Hat comes in two different varieties: one that can be subtly shaped and fit inside (or over) other headgear, and one that looks like the crude and cartoonish, tin-foil hat from conspiracy theory jokes. (The first variety was made in the government labs at Area 51, while the other was made by a researcher who went rogue and decided the general public needed to warned about the psychic aliens and given the means to protect themselves. From 1978 through his death in 2019, he made and distributed an unknown number of these while living life on the run from both government agents and aliens.)
   Although both varieties appear to be made from tin foil, they are made of a special material, the formula for which was lost when the secret lab was dimensionally shifted.
   When worn, the Psychic Blocker grants a character enhanced protection to all mind-effecting magic, mind-effecting  spell-like effects, and mind-effecting psychic or psionic powers. When targeted with such abilities or spells, the wearer gains a +6 bonus to the Will save to resist. If no saving throw would normally be allowed, the character may roll a Will save with a +3 bonus to resist.


Type (and Number) of Psychic Blocker Found
Psychic Blockers are usually located in abandoned government safehouses, hideouts for aliens or human traitors working with them, or among the possessions of dead friends (who passed away under mysterious circumstances, or simply of old age) or defeated foes. Roll 1d10 the following table to see what kind of Psychic Blocker, as well as how many, is found by the player characters.

1d10 Result      Type of Blocker      Number Found
1                       First Variety            1
2                       First Variety            1d6
3                       First Variety            1d6+1
4-6                   Second Variety        1d6+2
7-9                   Second Variety        2d6+2
10                    Second Variety        3d6-1

OCULAR FILTER ("CHEAP SUNGLASSES")
These appear to be normal sunglasses that are made in styles that were popular in the 1960s, 1970s, or up until the mid-1980s. The lenses, however, are made with materials derived from alien technology that was recovered from their wrecked ships.
   When worn, the character can see all things as they actually are. With a Spot skill check (DC8) the wearer of sees though illusions generated by magic or psychic sources, sees the exact locations of creatures or objects under blur or displacement effects, sees invisible creatures or objects normally, and sees the true form of polymorphed, changed, or transmuted things. Creatures who can shapechange, like certain supernatural beings, will be surrounded by a vague, faintly glowing shape of their natural form, or their most commonly used alternate appearance. The range of the ocular filter is the wearer's line of sight. They will also reveal the true appearance of beings and items in photographs, broadcasted signals, or in films.
Number Found and Styles of Ocular Filters Found 
Ocular Filters are usually located in abandoned government safehouses, hideouts for aliens or human traitors working with them, or among the possessions of dead friends (who passed away under mysterious circumstances, or simply of old age) or defeated foes. Roll 1d10 the following table to see what kind of Psychic Blocker, as well as how many, is found by the player characters.

1d10 Result      Number Found and Style
1                       1d3 1960s
2                       1d2 1960s, 1d2 1970
3                       1d3 1970s
4                       1d3 1970s, 1d3 1980s
5-7                   1d3+1 1970s, 1d3+1 1980s
8-9                   1d2 1970s, 1d6+1 1980s
10                    1d2 1960s, 1d6 1970s, 1d6+3 1980s

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