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Upstream Play as a salmon journeying home in this challenging physics based platformer using only two buttons! Remember that on a voyage through innumerable obstacles and constant danger, it is your reaction to adversity that determines your success.
Positive Now
100%18 reviews on Steam
30-Day Trend
—Not enough history yet (since 21 Oct 2026)
Last 12 Months
100%positive, 18 reviews
Reviews Last Month
1August 2026, −76% on the 4-month average
Reviews By MonthPositive and negative reviews each month, March 2025 to August 2026
| Month | Positive | Negative | Share positive |
|---|---|---|---|
| August 2026 | 1 | 0 | 100% |
| March 2026 | 0 | 0 | — |
| May 2025 | 1 | 0 | 100% |
| April 2025 | 1 | 0 | 100% |
| March 2025 | 15 | 0 | 100% |
Steam’s own monthly review graph, read each month. How we count
Review SentimentReview ScoreSteady at 100% positive since 22 Oct 202618 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 | March 2025 | 15 | 100% |
Best and worst counts months with at least 50 reviews.
