An Eye for Optical Theory 1666
6 achievements
Very Rareร1
Commonร5
About An Eye for Optical Theory 1666's achievements
An Eye for Optical Theory 1666 has 6 Steam achievements. The rarest is "A Research Person (Honest)", earned by just 14.6% of players. 1 SteamVault member has 100%-completed it so far. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.
Rarest achievement
14.6%
of players earned "A Research Person (Honest)"
SteamVault 100%s
1
member fully completed it
Community Ratings
No ratings yetDifficultyโ
Easy โ Brutal
Enjoymentโ
Meh โ Loved it
Grindinessโ
No grind โ Huge grind
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All An Eye for Optical Theory 1666 achievements
6 achievements
Very Rare14.6%
Common53.4%
Common68.0%
Common78.9%
Common83.5%
Common89.0%