An Eye for Optical Theory 1666 is a short point & click horror adventure game with a focus on atmosphere and narrative. It is the plague year of 1666 and Isaac Newton, in lockdown at his home, has been thinking on the topic of Optics, and planning a series of experiments. Will you help him?
| Country/Region | Original Price | Discount | Current Price | End Time |
|---|---|---|---|---|
 | $1.49 | 无折扣 | $1.49 | - |
 | £1.69 | 无折扣 | £1.69 | - |
 | 1,99€ | 无折扣 | 1,99€ | - |
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 | 1,99€ | 无折扣 | 1,99€ | - |
 | 1,99€ | 无折扣 | 1,99€ | - |
 | 1,99€ | 无折扣 | 1,99€ | - |
 | 1,99€ | 无折扣 | 1,99€ | - |
 | 1,99€ | 无折扣 | 1,99€ | - |
 | 1,99€ | 无折扣 | 1,99€ | - |
 | 1,99€ | 无折扣 | 1,99€ | - |
 | 1,99€ | 无折扣 | 1,99€ | - |
 | $1.99 | 无折扣 | $1.99 | - |
 | S$2.15 | 无折扣 | S$2.15 | - |
 | CHF 2.25 | 无折扣 | CHF 2.25 | - |
 | C$ 2.59 | 无折扣 | C$ 2.59 | - |
 | A$ 2.95 | 无折扣 | A$ 2.95 | - |
 | NZ$ 2.99 | 无折扣 | NZ$ 2.99 | - |
 | R$6,99 | 无折扣 | R$6,99 | - |
 | 8,99 zł | 无折扣 | 8,99 zł | - |
 | ¥11.00 | 无折扣 | ¥11.00 | - |
 | HK$ 13.00 | 无折扣 | HK$ 13.00 | - |
 | 22,25 kr | 无折扣 | 22,25 kr | - |
 | NT$ 45.00 | 无折扣 | NT$ 45.00 | - |
 | ฿47.00 | 无折扣 | ฿47.00 | - |
 | 82 руб | 无折扣 | 82 руб | - |
 | ¥235 | 无折扣 | ¥235 | - |
 | ₩ 2,300 | 无折扣 | ₩ 2,300 | - |
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