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PROJECT 13 Perception Test Sit down in the ultimate perception test sequel! Spot and report anomalies in immersive scenes while sitting in the Observation Chair. Conquer the challenge by identifying 13 anomalies correctly in a row. Are you ready?
Positive Now
53%13 reviews on Steam
30-Day Trend
—Not enough history yet (since 21 Oct 2026)
Last 12 Months
60%positive, 15 reviews
Reviews Last Month
1December 2025, −36% on the 9-month average
Reviews By MonthPositive and negative reviews each month, July 2024 to December 2025
| Month | Positive | Negative | Share positive |
|---|---|---|---|
| December 2025 | 0 | 1 | 0% |
| September 2025 | 0 | 0 | — |
| March 2025 | 1 | 2 | 33% |
| February 2025 | 1 | 0 | 100% |
| January 2025 | 0 | 0 | — |
| November 2024 | 0 | 0 | — |
| October 2024 | 0 | 0 | — |
| September 2024 | 0 | 0 | — |
| August 2024 | 3 | 1 | 75% |
| July 2024 | 4 | 2 | 67% |
Steam’s own monthly review graph, read each month. How we count
Review SentimentReview ScoreSteady at 53% positive since 22 Oct 202613 reviews when we first checked
Steam’s review score each time our store check saw it change, since 21 Oct 2026. How we count
Notable Months| Notable | Month | Reviews | Positive |
|---|---|---|---|
| Busiest month | July 2024 | 6 | 67% |
Best and worst counts months with at least 50 reviews.
