| Poll | Players |
|---|---|
| 10:04 UTC | 0 |
| 30 Oct, 10:03 UTC | 19 |
Player counts over time, as we observed them.
Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology
| Month | Avg players | Kept | Compared with other games |
|---|---|---|---|
| LaunchOctober 2013 | 588 | — | The busier of its first two months |
| 3 months onJanuary 2014 | 216 | 37% | Holds players well (better than 67% of 9,121 other games) |
| 12 months onOctober 2014 | 150 | 26% | About average (better than 61% of 7,653 other games) |
Contagion kept 37% of the average players it had at its launch in October 2013 after 3 months and 26% after 12 months. Monthly averages, ranked against every game we can score. How we count
Contagion isn't your average Zombie Shooter but instead takes a more realistic and different approach to the popular genre with unique characters, environments, weapons, items, and a built in system that makes every round completely unpredictable with resources, objectives, and paths ever changing.

| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| October 2026Oct 2026 (so far) (from 19 Oct) | 18 | −1 | −7.2% | 31 |
| September 2026Sept 2026 | 19 | −2 | −10.5% | 46 |
| August 2026Aug 2026 | 21 | −2 | −8.2% | 57 |
| July 2026Jul 2026 | 23 | +3 | +15.6% | 55 |
| June 2026Jun 2026 | 20 | −5 | −18.7% | 60 |
| May 2026May 2026 | 25 | +5 | +23.8% | 69 |
| April 2026Apr 2026 | 20 | −6 | −22.3% | 50 |
| March 2026Mar 2026 | 26 | −2 | −6.8% | 62 |
| February 2026Feb 2026 | 28 | +9 | +48.1% | 89 |
| January 2026Jan 2026 | 19 | +3 | +16.8% | 43 |
| December 2025Dec 2025 | 16 | −8 | −32.4% | 36 |
| November 2025Nov 2025 | 24 | 0 | −1.4% | 68 |
| October 2025Oct 2025 | 24 | −5 | −17.2% | 55 |
| September 2025Sept 2025 | 29 | −5 | −15.8% | 79 |
| August 2025Aug 2025 | 34 | +3 | +9.7% | 90 |
| July 2025Jul 2025 | 31 | +4 | +16% | 88 |
| June 2025Jun 2025 | 27 | +3 | +11.2% | 103 |
| May 2025May 2025 | 24 | +2 | +8.5% | 76 |
| April 2025Apr 2025 | 22 | −2 | −9% | 52 |
| March 2025Mar 2025 | 25 | −8 | −24.7% | 64 |
| February 2025Feb 2025 | 33 | −3 | −9.3% | 94 |
| January 2025Jan 2025 | 36 | −7 | −15.6% | 93 |
| December 2024Dec 2024 | 43 | −6 | −12.5% | 86 |
| November 2024Nov 2024 | 49 | +22 | +84.8% | 159 |
| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| October 2024Oct 2024 | 26 | +2 | +5.9% | 64 |
| September 2024Sept 2024 | 25 | +1 | +4.6% | 95 |
| August 2024Aug 2024 | 24 | −1 | −5.1% | 77 |
| July 2024Jul 2024 | 25 | −2 | −7% | 62 |
| June 2024Jun 2024 | 27 | +4 | +17.3% | 62 |
| May 2024May 2024 | 23 | −9 | −28.2% | 56 |
| April 2024Apr 2024 | 32 | +2 | +7.7% | 95 |
| March 2024Mar 2024 | 30 | −8 | −22.1% | 64 |
| February 2024Feb 2024 | 38 | +12 | +44.8% | 112 |
| January 2024Jan 2024 | 26 | +1 | +3.8% | 63 |
| December 2023Dec 2023 | 25 | −5 | −17% | 62 |
| November 2023Nov 2023 | 31 | +4 | +16.6% | 71 |
| October 2023Oct 2023 | 26 | +4 | +19.2% | 76 |
| September 2023Sept 2023 | 22 | −6 | −21.8% | 50 |
| August 2023Aug 2023 | 28 | −4 | −12.2% | 65 |
| July 2023Jul 2023 | 32 | +2 | +5.8% | 65 |
| June 2023Jun 2023 | 30 | −9 | −23.4% | 65 |
| May 2023May 2023 | 40 | −7 | −14.5% | 128 |
| April 2023Apr 2023 | 46 | −1 | −1.9% | 133 |
| March 2023Mar 2023 | 47 | +12 | +33.7% | 156 |
| February 2023Feb 2023 | 35 | −2 | −5.6% | 96 |
| January 2023Jan 2023 | 37 | +9 | +29.4% | 102 |
| December 2022Dec 2022 | 29 | −3 | −9.8% | 63 |
| November 2022Nov 2022 | 32 | +2 | +7.2% | 70 |
| October 2022Oct 2022 | 30 | −8 | −20.7% | 75 |
| September 2022Sept 2022 | 38 | +4 | +10.4% | 83 |
| August 2022Aug 2022 | 34 | −4 | −9.6% | 77 |
| July 2022Jul 2022 | 38 | −4 | −8.6% | 87 |
| June 2022Jun 2022 | 41 | −18 | −30% | 84 |
| May 2022May 2022 | 59 | −11 | −15.3% | 134 |
| April 2022Apr 2022 | 70 | +41 | +139.6% | 173 |
| March 2022Mar 2022 | 29 | −4 | −11.5% | 74 |
| February 2022Feb 2022 | 33 | −3 | −7.7% | 71 |
| January 2022Jan 2022 | 36 | +7 | +25.4% | 80 |
| December 2021Dec 2021 | 28 | −16 | −36.2% | 65 |
| November 2021Nov 2021 | 45 | +9 | +24% | 100 |
| October 2021Oct 2021 | 36 | −6 | −14.4% | 115 |
| September 2021Sept 2021 | 42 | −4 | −9.1% | 112 |
| August 2021Aug 2021 | 46 | −11 | −20% | 146 |
| July 2021Jul 2021 | 58 | +25 | +75.5% | 153 |
| June 2021Jun 2021 | 33 | −10 | −23.3% | 63 |
| May 2021May 2021 | 43 | +10 | +31.1% | 91 |
| April 2021Apr 2021 | 33 | −13 | −28.8% | 74 |
| March 2021Mar 2021 | 46 | +11 | +29.8% | 110 |
| February 2021Feb 2021 | 35 | −8 | −17.8% | 84 |
| January 2021Jan 2021 | 43 | +11 | +34.3% | 111 |
| December 2020Dec 2020 | 32 | −5 | −13.3% | 73 |
| November 2020Nov 2020 | 37 | +5 | +13.9% | 96 |
| October 2020Oct 2020 | 33 | −7 | −17.7% | 102 |
| September 2020Sept 2020 | 40 | −79 | −66.8% | 111 |
| August 2020Aug 2020 | 119 | +95 | +391.9% | 914 |
| July 2020Jul 2020 | 24 | −1 | −3.3% | 67 |
| June 2020Jun 2020 | 25 | −5 | −17.3% | 65 |
| May 2020May 2020 | 30 | −8 | −20.2% | 78 |
| April 2020Apr 2020 | 38 | 0 | +1.1% | 102 |
| March 2020Mar 2020 | 38 | −5 | −11.9% | 112 |
| February 2020Feb 2020 | 43 | −6 | −12.9% | 119 |
| January 2020Jan 2020 | 49 | +18 | +57.5% | 159 |
| December 2019Dec 2019 | 31 | +8 | +36.3% | 138 |
| November 2019Nov 2019 | 23 | +6 | +32.7% | 69 |
| October 2019Oct 2019 | 17 | +1 | +8.6% | 57 |
| September 2019Sept 2019 | 16 | −3 | −16.6% | 41 |
| August 2019Aug 2019 | 19 | −5 | −20.3% | 48 |
| July 2019Jul 2019 | 24 | +2 | +9.1% | 59 |
| June 2019Jun 2019 | 22 | −1 | −4.5% | 59 |
| May 2019May 2019 | 23 | +4 | +23.1% | 74 |
| April 2019Apr 2019 | 19 | 0 | +0.3% | 52 |
| March 2019Mar 2019 | 19 | −6 | −23.2% | 49 |
| February 2019Feb 2019 | 24 | −3 | −9.7% | 72 |
| January 2019Jan 2019 | 27 | −3 | −10.9% | 79 |
| December 2018Dec 2018 | 30 | 0 | +0.6% | 79 |
| November 2018Nov 2018 | 30 | +6 | +24.1% | 91 |
| October 2018Oct 2018 | 24 | −1 | −5% | 74 |
| September 2018Sept 2018 | 25 | −2 | −8.1% | 72 |
| August 2018Aug 2018 | 27 | −12 | −30.6% | 64 |
| July 2018Jul 2018 | 40 | +3 | +7.4% | 105 |
| June 2018Jun 2018 | 37 | +8 | +29.4% | 115 |
| May 2018May 2018 | 28 | −4 | −12.9% | 83 |
| April 2018Apr 2018 | 33 | −7 | −17.5% | 83 |
| March 2018Mar 2018 | 40 | −19 | −32.5% | 109 |
| February 2018Feb 2018 | 59 | −6 | −9.2% | 169 |
| January 2018Jan 2018 | 65 | +2 | +2.6% | 146 |
| December 2017Dec 2017 | 63 | +8 | +15.2% | 161 |
| November 2017Nov 2017 | 55 | +10 | +22.3% | 154 |
| October 2017Oct 2017 | 45 | +7 | +17.2% | 145 |
| September 2017Sept 2017 | 38 | −2 | −4.6% | 93 |
| August 2017Aug 2017 | 40 | −20 | −33.1% | 89 |
| July 2017Jul 2017 | 60 | −3 | −4.5% | 172 |
| June 2017Jun 2017 | 63 | +8 | +14.8% | 183 |
| May 2017May 2017 | 55 | −2 | −4.3% | 120 |
| April 2017Apr 2017 | 57 | +3 | +5.8% | 120 |
| March 2017Mar 2017 | 54 | −6 | −9.8% | 121 |
| February 2017Feb 2017 | 60 | −32 | −34.9% | 140 |
| January 2017Jan 2017 | 92 | −6 | −6% | 256 |
| December 2016Dec 2016 | 98 | +4 | +3.9% | 292 |
| November 2016Nov 2016 | 94 | +12 | +14.4% | 251 |
| October 2016Oct 2016 | 82 | +10 | +13.9% | 275 |
| September 2016Sept 2016 | 72 | −3 | −4.1% | 168 |
| August 2016Aug 2016 | 75 | −27 | −26.2% | 155 |
| July 2016Jul 2016 | 102 | +6 | +6.3% | 228 |
| June 2016Jun 2016 | 96 | +13 | +15.2% | 235 |
| May 2016May 2016 | 83 | −15 | −14.9% | 216 |
| April 2016Apr 2016 | 98 | −3 | −3.2% | 226 |
| March 2016Mar 2016 | 101 | −42 | −29.2% | 226 |
| February 2016Feb 2016 | 143 | −37 | −20.7% | 328 |
| January 2016Jan 2016 | 180 | −8 | −4.3% | 510 |
| December 2015Dec 2015 | 188 | −197 | −51.3% | 630 |
| November 2015Nov 2015 | 385 | +242 | +167.9% | 1,407 |
| October 2015Oct 2015 | 144 | +60 | +72.2% | 1,319 |
| September 2015Sept 2015 | 84 | −23 | −21.3% | 237 |
| August 2015Aug 2015 | 106 | +15 | +15.9% | 229 |
| July 2015Jul 2015 | 92 | −34 | −27.4% | 164 |
| June 2015Jun 2015 | 126 | +53 | +71.4% | 432 |
| May 2015May 2015 | 74 | −6 | −7.6% | 171 |
| April 2015Apr 2015 | 80 | −22 | −21.8% | 199 |
| March 2015Mar 2015 | 102 | −34 | −25.2% | 292 |
| February 2015Feb 2015 | 136 | −55 | −28.9% | 447 |
| January 2015Jan 2015 | 191 | −78 | −29% | 608 |
| December 2014Dec 2014 | 269 | +106 | +65% | 1,463 |
| November 2014Nov 2014 | 163 | +13 | +8.8% | 692 |
| October 2014Oct 2014 | 150 | −241 | −61.6% | 343 |
| September 2014Sept 2014 | 391 | −295 | −43% | 3,200 |
| August 2014Aug 2014 | 686 | +514 | +298.3% | 7,492 |
| July 2014Jul 2014 | 172 | −242 | −58.5% | 450 |
| June 2014Jun 2014 | 415 | +213 | +106% | 3,828 |
| May 2014May 2014 | 201 | −89 | −30.7% | 446 |
| April 2014Apr 2014 | 291 | +177 | +156.3% | 872 |
| March 2014Mar 2014 | 113 | +12 | +12.2% | 257 |
| February 2014Feb 2014 | 101 | −115 | −53.1% | 242 |
| January 2014Jan 2014 | 216 | −445 | −67.3% | 976 |
| December 2013Dec 2013 | 660 | +362 | +121.3% | 3,942 |
| November 2013Nov 2013 | 298 | −290 | −49.3% | 4,057 |
| October 2013Oct 2013 | 588 | — | — | 1,249 |
Average and peak concurrent players each month, and the change in average players from the month before. Months before October 2026 are from a licensed historical archive.
About 29 Aug – 2 Sept 2014: That month's peak was 44× the month before's average. The month after, players averaged 13% fewer than before.
| Dates | Peak During | Change |
|---|---|---|
| About 29 Aug – 2 Sept 2014 | 7,492 (44×) | −13% |
Monthly averages: July 2014, August 2014 and October 2014.
Average players over the 7 days before and after each, and the most at once during it. Dates marked “About” are from the developer’s news post. How we count