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ZERO Sievert Now with over 600,000 copies sold, ZERO Sievert is a tense top-down extraction shooter that challenges you to scavenge a procedurally-generated wasteland, loot gear, and explore what’s left of a devastated world. When the odds are stacked against you, you’ll need to do more than just survive...
Positive Now
84%14,543 reviews on Steam
30-Day Trend
no change+28 reviews since 21 Oct 2026
Last 12 Months
76%−7 pts on 82% since launch
Reviews Last Month
160September 2026, +17% on the 12-month average
Reviews And Players By Month| Month | Positive | Negative | Average players |
|---|---|---|---|
| October 2026 | 89 | 17 | 373 |
| September 2026 | 135 | 25 | 489 |
| August 2026 | 253 | 80 | 725 |
| July 2026 | 89 | 26 | 384 |
| June 2026 | 93 | 29 | 423 |
| May 2026 | 67 | 38 | 218 |
| April 2026 | 49 | 21 | 168 |
| March 2026 | 50 | 19 | 189 |
| February 2026 | 48 | 26 | 201 |
| January 2026 | 91 | 23 | 226 |
| December 2025 | 94 | 28 | 282 |
| November 2025 | 184 | 64 | 375 |
| October 2025 | 138 | 46 | 431 |
| September 2025 | 70 | 14 | 279 |
| August 2025 | 193 | 67 | 503 |
| July 2025 | 143 | 42 | 349 |
| June 2025 | 91 | 54 | 282 |
| May 2025 | 106 | 41 | 392 |
| April 2025 | 111 | 30 | 337 |
| March 2025 | 116 | 29 | 406 |
| February 2025 | 175 | 63 | 540 |
| January 2025 | 202 | 47 | 578 |
| December 2024 | 390 | 61 | 841 |
| November 2024 | 806 | 128 | 1,831 |
| October 2024 | 458 | 165 | 1,193 |
| September 2024 | 112 | 17 | 353 |
| August 2024 | 79 | 28 | 223 |
| July 2024 | 83 | 45 | 246 |
| June 2024 | 91 | 65 | 175 |
| May 2024 | 96 | 55 | 179 |
| April 2024 | 84 | 36 | 172 |
| March 2024 | 157 | 96 | 259 |
| February 2024 | 112 | 48 | 243 |
| January 2024 | 177 | 44 | 352 |
| December 2023 | 296 | 126 | 668 |
| November 2023 | 181 | 29 | 319 |
| October 2023 | 112 | 34 | 252 |
| September 2023 | 121 | 16 | 249 |
| August 2023 | 152 | 70 | 375 |
| July 2023 | 267 | 104 | 476 |
| June 2023 | 214 | 24 | 370 |
| May 2023 | 233 | 26 | 362 |
| April 2023 | 234 | 33 | 340 |
| March 2023 | 253 | 49 | 356 |
| February 2023 | 456 | 90 | 631 |
| January 2023 | 564 | 88 | 718 |
| December 2022 | 1,122 | 128 | 1,423 |
| November 2022 | 3,176 | 253 | 3,733 |
Review SentimentHolding steady. 78% of reviews from July to September 2026 were positive, against 75% in the 12 months before.608 reviews against 1,637; a 4-point change is within what chance gives at these counts
Review ScoreSteady at 84% positive since 21 Oct 2026+28 reviews, 14,543 in all
| From | Positive | Reviews |
|---|---|---|
| 28 Oct 2026 | 84% | 14,543 |
| 28 Oct 2026 | 84% | 14,539 |
| 27 Oct 2026 | 84% | 14,538 |
| 26 Oct 2026 | 84% | 14,537 |
| 24 Oct 2026 | 84% | 14,521 |
| 22 Oct 2026 | 84% | 14,520 |
| 21 Oct 2026 | 84% | 14,517 |
| 21 Oct 2026 | 84% | 14,515 |
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 | November 2022 | 3,429 | 93% |
| Most positive | November 2022 | 3,429 | 93% |
| Least positive | June 2024 |
Reviews By Language| Language | Reviews | Share | Positive | vs All |
|---|---|---|---|---|
| English | 8,132 | 85% | +1 pts | |
| Chinese (Simplified) | 1,919 | 70% | −14 pts | |
| Spanish (Spain) | 886 | 95% | +11 pts | |
| Korean | 751 | 86% | +2 pts | |
| German | 730 | 91% | +7 pts | |
| Russian | 488 | 84% | 0 |
| Month | Last 3 months | That month | Reviews | All so far |
|---|---|---|---|---|
| October 2026 | 80% | 84% | 106 | 82% |
| September 2026 | 78% | 84% | 160 | 82% |
| August 2026 | 76% | 76% | 333 | 82% |
| July 2026 | 73% | 77% | 115 | 83% |
| June 2026 | 70% | 76% | 122 | 83% |
| May 2026 | 68% | 64% | 105 | 83% |
| April 2026 | 69% | 70% | 70 | 83% |
| March 2026 | 74% | 72% | 69 | 83% |
| February 2026 | 75% | 65% | 74 | 83% |
| January 2026 | 76% | 80% | 114 | 83% |
| December 2025 | 75% | 77% | 122 | 83% |
| November 2025 | 76% | 74% | 248 | 83% |
| October 2025 | 76% | 75% | 184 | 83% |
| September 2025 | 77% | 83% | 84 | 83% |
| August 2025 | 72% | 74% | 260 | 83% |
| July 2025 | 71% | 77% | 185 | 84% |
| June 2025 | 71% | 63% | 145 | 84% |
| May 2025 | 77% | 72% | 147 | 84% |
| April 2025 | 77% | 79% | 141 | 84% |
| March 2025 | 78% | 80% | 145 | 84% |
| February 2025 | 82% | 74% | 238 | 84% |
| January 2025 | 86% | 81% | 249 | 84% |
| December 2024 | 82% | 86% | 451 | 84% |
| November 2024 | 82% | 86% | 934 | 84% |
| October 2024 | 76% | 74% | 623 | 84% |
| September 2024 | 75% | 87% | 129 | 85% |
| August 2024 | 65% | 74% | 107 | 85% |
| July 2024 | 62% | 65% | 128 | 85% |
| June 2024 | 63% | 58% | 156 | 85% |
| May 2024 | 64% | 64% | 151 | 86% |
| April 2024 | 66% | 70% | 120 | 86% |
| March 2024 | 70% | 62% | 253 | 86% |
| February 2024 | 73% | 70% | 160 | 87% |
| January 2024 | 77% | 80% | 221 | 87% |
| December 2023 | 76% | 70% | 422 | 87% |
| November 2023 | 84% | 86% | 210 | 88% |
| October 2023 | 76% | 77% | 146 | 88% |
| September 2023 | 74% | 88% | 137 | 89% |
| August 2023 | 76% | 68% | 222 | 89% |
| July 2023 | 82% | 72% | 371 | 89% |
| June 2023 | 89% | 90% | 238 | 90% |
| May 2023 | 87% | 90% | 259 | 90% |
| April 2023 | 85% | 88% | 267 | 90% |
| March 2023 | 85% | 84% | 302 | 90% |
| February 2023 | 88% | 84% | 546 | 90% |
| January 2023 | 91% | 87% | 652 | 91% |
| December 2022 | 92% | 90% | 1,250 | 92% |
| November 2022 | 93% | 93% | 3,429 | 93% |
| 156 |
| 58% |
Best and worst counts months with at least 50 reviews.
| Japanese | 375 | 78% | −6 pts |
|---|
| Portuguese (Brazil) | 220 | 97% | +13 pts |
|---|
| French | 213 | 88% | +4 pts |
|---|
Steam doesn’t record where reviewers live, so this groups reviews by the language they were written in. Read weekly, last on 25 Oct 2026. How we count
A month-by-month chart of new reviews in each language starts here in early November, once we have a month of reads to compare.
