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The infamous, tough-as-nails platformer comes to Steam with a playable Head Crab character (Steam-exclusive)!

| Poll | Players |
|---|---|
| 2 Nov, 14:08 UTC | 150 |
| 1 Nov, 14:08 UTC | 179 |
Player counts over time, as we observed them.
Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology
| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| November 2026Nov 2026 (so far) | 165 | +35 | +27.3% | 179 |
| October 2026Oct 2026 (from 19 Oct) | 129 | +55 | +75.1% | 200 |
| September 2026Sept 2026 | 74 | −24 | −24.9% | 169 |
| August 2026Aug 2026 | 98 | −36 | −27% | 203 |
| July 2026Jul 2026 | 135 | −30 | −18.4% | 254 |
| June 2026Jun 2026 | 165 | −81 | −32.9% | 418 |
| May 2026May 2026 | 246 | −12 | −4.9% | 938 |
| April 2026Apr 2026 | 258 | +173 | +204.4% | 835 |
| March 2026Mar 2026 | 85 | −22 | −20.9% | 227 |
| February 2026Feb 2026 | 107 | +16 | +17% | 309 |
| January 2026Jan 2026 | 92 | +16 | +21.8% | 197 |
| December 2025Dec 2025 | 75 | +24 | +45.9% | 200 |
| November 2025Nov 2025 | 52 | +1 | +2.7% | 116 |
| October 2025Oct 2025 | 50 | +3 | +6.9% | 112 |
| September 2025Sept 2025 | 47 | −13 | −21.1% | 90 |
| August 2025Aug 2025 | 60 | −20 | −25.1% | 117 |
| July 2025Jul 2025 | 80 | −65 | −45% | 169 |
| June 2025Jun 2025 | 145 | +86 | +148.2% | 503 |
| May 2025May 2025 | 58 | −2 | −3.6% | 117 |
| April 2025Apr 2025 | 60 | −10 | −13.9% | 122 |
| March 2025Mar 2025 | 70 | −1 | −0.9% | 142 |
| February 2025Feb 2025 | 71 | −11 | −13.7% | 149 |
| January 2025Jan 2025 | 82 | −7 | −8% | 191 |
| December 2024Dec 2024 | 89 | +36 | +67.8% | 217 |
| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| November 2024Nov 2024 | 53 | +4 | +7% | 164 |
| October 2024Oct 2024 | 50 | −5 | −9% | 99 |
| September 2024Sept 2024 | 55 | −11 | −17% | 111 |
| August 2024Aug 2024 | 66 | −28 | −29.6% | 132 |
| July 2024Jul 2024 | 94 | +26 | +37.6% | 177 |
| June 2024Jun 2024 | 68 | −5 | −6.7% | 157 |
| May 2024May 2024 | 73 | −15 | −17.1% | 157 |
| April 2024Apr 2024 | 88 | −7 | −7% | 257 |
| March 2024Mar 2024 | 95 | +24 | +33.3% | 219 |
| February 2024Feb 2024 | 71 | −19 | −21.5% | 172 |
| January 2024Jan 2024 | 90 | −1 | −1% | 198 |
| December 2023Dec 2023 | 91 | −13 | −12.1% | 194 |
| November 2023Nov 2023 | 104 | +49 | +90.7% | 270 |
| October 2023Oct 2023 | 55 | −4 | −6.9% | 110 |
| September 2023Sept 2023 | 59 | −12 | −17.1% | 117 |
| August 2023Aug 2023 | 71 | −73 | −50.8% | 123 |
| July 2023Jul 2023 | 144 | +71 | +97.2% | 330 |
| June 2023Jun 2023 | 73 | −7 | −8.4% | 232 |
| May 2023May 2023 | 80 | −133 | −62.5% | 158 |
| April 2023Apr 2023 | 212 | +131 | +162.1% | 913 |
| March 2023Mar 2023 | 81 | +27 | +49.8% | 274 |
| February 2023Feb 2023 | 54 | −22 | −28.6% | 106 |
| January 2023Jan 2023 | 76 | −3 | −3.7% | 169 |
| December 2022Dec 2022 | 79 | +18 | +30.3% | 186 |
| November 2022Nov 2022 | 60 | +16 | +35.3% | 205 |
| October 2022Oct 2022 | 45 | −6 | −11.4% | 99 |
| September 2022Sept 2022 | 50 | −2 | −4.8% | 105 |
| August 2022Aug 2022 | 53 | +3 | +6.9% | 96 |
| July 2022Jul 2022 | 49 | +3 | +7.2% | 87 |
| June 2022Jun 2022 | 46 | −3 | −5.4% | 88 |
| May 2022May 2022 | 49 | +4 | +9.4% | 99 |
| April 2022Apr 2022 | 45 | −2 | −4.2% | 84 |
| March 2022Mar 2022 | 47 | −17 | −26.3% | 100 |
| February 2022Feb 2022 | 63 | −36 | −36.4% | 134 |
| January 2022Jan 2022 | 99 | +29 | +40.5% | 312 |
| December 2021Dec 2021 | 71 | +8 | +11.9% | 174 |
| November 2021Nov 2021 | 63 | +18 | +38.3% | 164 |
| October 2021Oct 2021 | 46 | +3 | +6.3% | 172 |
| September 2021Sept 2021 | 43 | −5 | −9.8% | 79 |
| August 2021Aug 2021 | 48 | +2 | +5.1% | 86 |
| July 2021Jul 2021 | 45 | −2 | −5.1% | 93 |
| June 2021Jun 2021 | 48 | −2 | −3.8% | 89 |
| May 2021May 2021 | 50 | −3 | −5.2% | 99 |
| April 2021Apr 2021 | 52 | −7 | −11.9% | 100 |
| March 2021Mar 2021 | 59 | −31 | −34.6% | 117 |
| February 2021Feb 2021 | 91 | −88 | −49.2% | 179 |
| January 2021Jan 2021 | 179 | +59 | +49.3% | 415 |
| December 2020Dec 2020 | 120 | +31 | +35.4% | 349 |
| November 2020Nov 2020 | 88 | +34 | +62.6% | 240 |
| October 2020Oct 2020 | 54 | +2 | +3.8% | 219 |
| September 2020Sept 2020 | 52 | −2 | −3.6% | 97 |
| August 2020Aug 2020 | 54 | −25 | −31.5% | 103 |
| July 2020Jul 2020 | 79 | +16 | +24.2% | 168 |
| June 2020Jun 2020 | 64 | −1 | −1.6% | 162 |
| May 2020May 2020 | 65 | −4 | −5.5% | 121 |
| April 2020Apr 2020 | 69 | −2 | −3.3% | 128 |
| March 2020Mar 2020 | 71 | +14 | +23.9% | 149 |
| February 2020Feb 2020 | 57 | −14 | −19.7% | 117 |
| January 2020Jan 2020 | 71 | −11 | −12.9% | 170 |
| December 2019Dec 2019 | 82 | +20 | +33.2% | 198 |
| November 2019Nov 2019 | 62 | +16 | +34.6% | 145 |
| October 2019Oct 2019 | 46 | +4 | +10.5% | 111 |
| September 2019Sept 2019 | 41 | −11 | −21.7% | 102 |
| August 2019Aug 2019 | 53 | −13 | −20.1% | 108 |
| July 2019Jul 2019 | 66 | +8 | +14.4% | 132 |
| June 2019Jun 2019 | 58 | +3 | +4.8% | 141 |
| May 2019May 2019 | 55 | −3 | −4.7% | 118 |
| April 2019Apr 2019 | 58 | −3 | −5.3% | 132 |
| March 2019Mar 2019 | 61 | −12 | −15.9% | 128 |
| February 2019Feb 2019 | 73 | −33 | −31.1% | 157 |
| January 2019Jan 2019 | 106 | −9 | −7.8% | 251 |
| December 2018Dec 2018 | 114 | +10 | +9.7% | 296 |
| November 2018Nov 2018 | 104 | −17 | −13.8% | 249 |
| October 2018Oct 2018 | 121 | +61 | +100% | 893 |
| September 2018Sept 2018 | 61 | −13 | −17.3% | 132 |
| August 2018Aug 2018 | 73 | −47 | −39.1% | 131 |
| July 2018Jul 2018 | 120 | +16 | +14.9% | 305 |
| June 2018Jun 2018 | 104 | +35 | +49.4% | 307 |
| May 2018May 2018 | 70 | +1 | +1% | 147 |
| April 2018Apr 2018 | 69 | −14 | −16.7% | 144 |
| March 2018Mar 2018 | 83 | −27 | −24.3% | 171 |
| February 2018Feb 2018 | 110 | −39 | −26.1% | 215 |
| January 2018Jan 2018 | 149 | −5 | −3.4% | 353 |
| December 2017Dec 2017 | 154 | +35 | +29.1% | 431 |
| November 2017Nov 2017 | 119 | −63 | −34.7% | 254 |
| October 2017Oct 2017 | 182 | +96 | +110.7% | 1,253 |
| September 2017Sept 2017 | 87 | −13 | −12.9% | 177 |
| August 2017Aug 2017 | 99 | −52 | −34.4% | 187 |
| July 2017Jul 2017 | 152 | +32 | +26.3% | 297 |
| June 2017Jun 2017 | 120 | +23 | +23.1% | 298 |
| May 2017May 2017 | 98 | −59 | −37.7% | 201 |
| April 2017Apr 2017 | 157 | −10 | −5.9% | 522 |
| March 2017Mar 2017 | 166 | +49 | +41.6% | 1,440 |
| February 2017Feb 2017 | 118 | −13 | −10% | 241 |
| January 2017Jan 2017 | 131 | +12 | +10.1% | 301 |
| December 2016Dec 2016 | 119 | −35 | −23% | 340 |
| November 2016Nov 2016 | 154 | +49 | +46.1% | 610 |
| October 2016Oct 2016 | 105 | +13 | +13.7% | 707 |
| September 2016Sept 2016 | 93 | −20 | −17.6% | 197 |
| August 2016Aug 2016 | 113 | −75 | −40.1% | 189 |
| July 2016Jul 2016 | 188 | +19 | +10.9% | 508 |
| June 2016Jun 2016 | 169 | +66 | +63.6% | 593 |
| May 2016May 2016 | 103 | −4 | −3.8% | 205 |
| April 2016Apr 2016 | 108 | −18 | −14.6% | 215 |
| March 2016Mar 2016 | 126 | −73 | −36.6% | 260 |
| February 2016Feb 2016 | 199 | −74 | −27.2% | 528 |
| January 2016Jan 2016 | 273 | +42 | +18.4% | 1,112 |
| December 2015Dec 2015 | 230 | +47 | +25.5% | 618 |
| November 2015Nov 2015 | 184 | +19 | +11.5% | 497 |
| October 2015Oct 2015 | 165 | +48 | +40.7% | 542 |
| September 2015Sept 2015 | 117 | −31 | −21.2% | 233 |
| August 2015Aug 2015 | 148 | −15 | −9% | 298 |
| July 2015Jul 2015 | 163 | −190 | −53.9% | 287 |
| June 2015Jun 2015 | 353 | +220 | +164.5% | 1,605 |
| May 2015May 2015 | 134 | −28 | −17.3% | 272 |
| April 2015Apr 2015 | 162 | −7 | −4.3% | 395 |
| March 2015Mar 2015 | 169 | −2 | −1.3% | 563 |
| February 2015Feb 2015 | 171 | −136 | −44.4% | 335 |
| January 2015Jan 2015 | 307 | −173 | −36.1% | 969 |
| December 2014Dec 2014 | 480 | +310 | +181.9% | 4,844 |
| November 2014Nov 2014 | 170 | +23 | +15.9% | 547 |
| October 2014Oct 2014 | 147 | +24 | +19.3% | 714 |
| September 2014Sept 2014 | 123 | −21 | −14.5% | 240 |
| August 2014Aug 2014 | 144 | −44 | −23.6% | 252 |
| July 2014Jul 2014 | 189 | −160 | −45.9% | 430 |
| June 2014Jun 2014 | 349 | +123 | +54.2% | 1,348 |
| May 2014May 2014 | 226 | +115 | +102.6% | 1,165 |
| April 2014Apr 2014 | 112 | −6 | −4.8% | 233 |
| March 2014Mar 2014 | 117 | −28 | −19.1% | 250 |
| February 2014Feb 2014 | 145 | −85 | −37% | 330 |
| January 2014Jan 2014 | 230 | −11 | −4.5% | 970 |
| December 2013Dec 2013 | 241 | −105 | −30.4% | 1,035 |
| November 2013Nov 2013 | 346 | +230 | +199.3% | 1,561 |
| October 2013Oct 2013 | 116 | −25 | −18% | 257 |
| September 2013Sept 2013 | 141 | −189 | −57.3% | 297 |
| August 2013Aug 2013 | 330 | −105 | −24.1% | 1,424 |
| July 2013Jul 2013 | 435 | +183 | +72.5% | 1,351 |
| June 2013Jun 2013 | 252 | +123 | +96.1% | 2,929 |
| May 2013May 2013 | 129 | −10 | −7% | 262 |
| April 2013Apr 2013 | 138 | −50 | −26.8% | 313 |
| March 2013Mar 2013 | 189 | −17 | −8.3% | 643 |
| February 2013Feb 2013 | 206 | −4 | −2% | 738 |
| January 2013Jan 2013 | 210 | −25 | −10.8% | 487 |
| December 2012Dec 2012 | 235 | +42 | +21.9% | 794 |
| November 2012Nov 2012 | 193 | +85 | +78.9% | 822 |
| October 2012Oct 2012 | 108 | −17 | −13.4% | 219 |
| September 2012Sept 2012 | 125 | −41 | −24.6% | 256 |
| August 2012Aug 2012 | 165 | −275 | −62.5% | 338 |
| July 2012Jul 2012 | 441 | — | — | 1,266 |
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.