Skip to content
SteamFueled
Sign in with Steam
Menu

An Eye for Optical Theory 1666

Developer Perfect Crime GamesPublisher Perfect Crime Games

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?

Top SellersNot ranked

Updated Oct 21, 2026.

Wishlist RankNot ranked

Updated Oct 21, 2026.

This app is not in the latest Top Sellers or Wishlist snapshots. It can still gain richer metadata from catalog or watchlist syncs.
Store
Developer benchmark

Metadata synced: Jul 17, 2026 · Not queued

Prices & bundle history

Steam ↗$1.99Checked · older than 24h
GG official storesNot recordedNo cached observation
GG keyshopsNot recordedNo cached observation
Steam reviews1693.75% positive
Recorded bundlesNot recordedNo cached observation

Cached US/USD prices; checkout prices may differ. Bundle history covers recorded observations and may be incomplete.

Bundle history & historical prices

Bundle history has not been recorded yet.

Rank History

Recent appearances for this app across complete public snapshots.

This app has not appeared in the stored Top Sellers or Wishlist snapshots yet.

Data Coverage

What SteamFueled currently has for this app.

Store metadata
Synced Jul 17, 2026
Available
Reviews
16 reviews
Available
Tags
23 tags synced
Available
Links
1 public links
Available
Current players
Waiting for player count sync
Pending
Top Sellers
Not in latest snapshot
Pending
Wishlist Rank
Not in latest snapshot
Pending

Store Details

Public Steam metadata captured from appdetails. Contact-specific fields stay backend-only.

Platforms
Windows
Steam recommendations
Not synced
Review rating
Very Positive
Weighted score
74.6%
Current players
Not synced
Achievements
6
Metacritic
Not synced
Required age
Not listed
Website

Snapshot Details

Source context for the latest complete public rank snapshots.

Top Sellers
-
-
Previous - - Updated Oct 21, 2026
Snapshot size: 8,871 rows.Steam public Top Sellers rank order from the latest complete SteamFueled snapshot.
Wishlist Rank
-
-
Previous - - Updated Oct 21, 2026
Snapshot size: 5,321 rows.Steam public wishlist-rank order, not an exact private wishlist count.

Tags

Public Steam tags split by source. Store tags and genres are used more heavily for benchmark similarity than feature categories.