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Alien Swarm Co-operative multiplayer game and complete code base available for free.
Players on Steam, last 48 hours| Poll | Players |
|---|---|
| 28 Oct, 10:32 UTC | 7 |
| 27 Oct, 10:31 UTC | 12 |
Player counts over time, as we observed them.
Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology
Players By Month| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| October 2026Oct 2026 (so far) | 15 | 0 | −2.3% | 30 |
| September 2026Sept 2026 | 16 | −9 | −37.5% | 47 |
| August 2026Aug 2026 | 25 | +7 | +36.2% | 417 |
| July 2026Jul 2026 | 19 | +4 | +27.6% | 89 |
| June 2026Jun 2026 | 15 | 0 | +0.3% | 41 |
| May 2026May 2026 | 14 | −2 | −12.2% | 49 |
| April 2026Apr 2026 | 16 | 0 | −0.7% | 42 |
| March 2026Mar 2026 | 17 | +1 | +3.2% | 52 |
| February 2026Feb 2026 | 16 | −4 | −18.8% | 51 |
| January 2026Jan 2026 | 20 | +6 | +42.5% | 65 |
| December 2025Dec 2025 | 14 | −1 | −8.1% | 38 |
| November 2025Nov 2025 | 15 | 0 | +0.3% | 50 |
| October 2025Oct 2025 | 15 | 0 | +2% | 49 |
| September 2025Sept 2025 | 15 | 0 | −2.1% | 39 |
| August 2025Aug 2025 | 15 | +1 | +10.4% | 43 |
| July 2025Jul 2025 | 14 | −3 | −18.7% | 37 |
| June 2025Jun 2025 | 17 | +1 | +5.3% | 56 |
| May 2025May 2025 | 16 | +3 | +25.7% | 51 |
| April 2025Apr 2025 | 13 | 0 | +1.1% | 44 |
| March 2025Mar 2025 | 13 | −2 | −12.7% | 37 |
| February 2025Feb 2025 | 14 | +2 | +12.3% | 43 |
| January 2025Jan 2025 | 13 | 0 | +0.9% | 35 |
| December 2024Dec 2024 | 13 | +1 | +8.1% | 74 |
| November 2024Nov 2024 | 12 | −1 | −7.6% | 43 |
| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| October 2024Oct 2024 | 13 | −2 | −11.1% | 44 |
| September 2024Sept 2024 | 14 | −2 | −11.1% | 46 |
| August 2024Aug 2024 | 16 | +1 | +8% | 41 |
| July 2024Jul 2024 | 15 | +1 | +8.1% | 35 |
| June 2024Jun 2024 | 14 | +1 | +8.1% | 38 |
| May 2024May 2024 | 13 | −511 | −97.6% |
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.
| 41 |
| April 2024Apr 2024 | 524 | +7 | +1.3% | 1,627 |
|---|
| March 2024Mar 2024 | 518 | +137 | +35.8% | 948 |
|---|
| February 2024Feb 2024 | 381 | +308 | +423.8% | 1,708 |
|---|
| January 2024Jan 2024 | 73 | +31 | +75.8% | 765 |
|---|
| December 2023Dec 2023 | 41 | +5 | +12.3% | 530 |
|---|
| November 2023Nov 2023 | 37 | −10 | −21% | 104 |
|---|
| October 2023Oct 2023 | 47 | −30 | −39.4% | 103 |
|---|
| September 2023Sept 2023 | 77 | +17 | +27.6% | 127 |
|---|
| August 2023Aug 2023 | 60 | +3 | +5.1% | 90 |
|---|
| July 2023Jul 2023 | 57 | +1 | +2.2% | 101 |
|---|
| June 2023Jun 2023 | 56 | −2 | −2.7% | 86 |
|---|
| May 2023May 2023 | 58 | +3 | +5.7% | 96 |
|---|
| April 2023Apr 2023 | 55 | −5 | −8.2% | 81 |
|---|
| March 2023Mar 2023 | 60 | −1 | −1.5% | 92 |
|---|
| February 2023Feb 2023 | 60 | −1 | −1.8% | 92 |
|---|
| January 2023Jan 2023 | 61 | +1 | +0.9% | 106 |
|---|
| December 2022Dec 2022 | 61 | +2 | +3.6% | 146 |
|---|
| November 2022Nov 2022 | 59 | −4 | −6.2% | 94 |
|---|
| October 2022Oct 2022 | 63 | −9 | −13.2% | 129 |
|---|
| September 2022Sept 2022 | 72 | −2 | −3% | 151 |
|---|
| August 2022Aug 2022 | 74 | −17 | −18.7% | 146 |
|---|
| July 2022Jul 2022 | 92 | +23 | +33.1% | 229 |
|---|
| June 2022Jun 2022 | 69 | −4 | −5.3% | 133 |
|---|
| May 2022May 2022 | 73 | −5 | −6.5% | 196 |
|---|
| April 2022Apr 2022 | 78 | +5 | +6.5% | 308 |
|---|
| March 2022Mar 2022 | 73 | +8 | +13% | 180 |
|---|
| February 2022Feb 2022 | 64 | +1 | +0.8% | 102 |
|---|
| January 2022Jan 2022 | 64 | +5 | +9.2% | 101 |
|---|
| December 2021Dec 2021 | 59 | −2 | −3.7% | 88 |
|---|
| November 2021Nov 2021 | 61 | +34 | +126.6% | 180 |
|---|
| October 2021Oct 2021 | 27 | +1 | +5.1% | 313 |
|---|
| September 2021Sept 2021 | 26 | −35 | −58% | 91 |
|---|
| August 2021Aug 2021 | 61 | 0 | −0.1% | 94 |
|---|
| July 2021Jul 2021 | 61 | −2 | −3.7% | 93 |
|---|
| June 2021Jun 2021 | 63 | −7 | −9.9% | 93 |
|---|
| May 2021May 2021 | 70 | +18 | +33.1% | 106 |
|---|
| April 2021Apr 2021 | 53 | +12 | +29.2% | 187 |
|---|
| March 2021Mar 2021 | 41 | +5 | +14.4% | 94 |
|---|
| February 2021Feb 2021 | 36 | −12 | −24.7% | 75 |
|---|
| January 2021Jan 2021 | 47 | +14 | +43.8% | 106 |
|---|
| December 2020Dec 2020 | 33 | +2 | +4.6% | 66 |
|---|
| November 2020Nov 2020 | 32 | 0 | +1.1% | 79 |
|---|
| October 2020Oct 2020 | 31 | +3 | +11.5% | 74 |
|---|
| September 2020Sept 2020 | 28 | −5 | −14.9% | 59 |
|---|
| August 2020Aug 2020 | 33 | +2 | +4.7% | 71 |
|---|
| July 2020Jul 2020 | 31 | −7 | −17.4% | 72 |
|---|
| June 2020Jun 2020 | 38 | −164 | −81.2% | 211 |
|---|
| May 2020May 2020 | 202 | +155 | +325.1% | 5,439 |
|---|
| April 2020Apr 2020 | 48 | +9 | +22.8% | 123 |
|---|
| March 2020Mar 2020 | 39 | +6 | +19.2% | 120 |
|---|
| February 2020Feb 2020 | 33 | +7 | +25.8% | 71 |
|---|
| January 2020Jan 2020 | 26 | +3 | +15.3% | 55 |
|---|
| December 2019Dec 2019 | 22 | −5 | −18% | 46 |
|---|
| November 2019Nov 2019 | 27 | 0 | −0.7% | 72 |
|---|
| October 2019Oct 2019 | 28 | −3 | −9.7% | 81 |
|---|
| September 2019Sept 2019 | 31 | −11 | −27.2% | 79 |
|---|
| August 2019Aug 2019 | 42 | −230 | −84.6% | 217 |
|---|
| July 2019Jul 2019 | 272 | +233 | +593.7% | 7,847 |
|---|
| June 2019Jun 2019 | 39 | +6 | +18.5% | 105 |
|---|
| May 2019May 2019 | 33 | −2 | −5.2% | 78 |
|---|
| April 2019Apr 2019 | 35 | −6 | −15.6% | 83 |
|---|
| March 2019Mar 2019 | 41 | +4 | +11.2% | 94 |
|---|
| February 2019Feb 2019 | 37 | −5 | −12.3% | 81 |
|---|
| January 2019Jan 2019 | 43 | −6 | −11.6% | 105 |
|---|
| December 2018Dec 2018 | 48 | +15 | +43.1% | 252 |
|---|
| November 2018Nov 2018 | 34 | −1 | −2.8% | 90 |
|---|
| October 2018Oct 2018 | 35 | 0 | −0.8% | 82 |
|---|
| September 2018Sept 2018 | 35 | −21 | −37.5% | 86 |
|---|
| August 2018Aug 2018 | 56 | +6 | +12.7% | 122 |
|---|
| July 2018Jul 2018 | 50 | +5 | +12.1% | 100 |
|---|
| June 2018Jun 2018 | 44 | −10 | −18.1% | 115 |
|---|
| May 2018May 2018 | 54 | −3 | −5.3% | 1,090 |
|---|
| April 2018Apr 2018 | 57 | −26 | −31.7% | 146 |
|---|
| March 2018Mar 2018 | 83 | +8 | +9.9% | 195 |
|---|
| February 2018Feb 2018 | 76 | +3 | +3.9% | 165 |
|---|
| January 2018Jan 2018 | 73 | +2 | +2.9% | 164 |
|---|
| December 2017Dec 2017 | 71 | +18 | +32.7% | 217 |
|---|
| November 2017Nov 2017 | 54 | −5 | −8.8% | 133 |
|---|
| October 2017Oct 2017 | 59 | −4 | −7.1% | 167 |
|---|
| September 2017Sept 2017 | 63 | −6 | −8.4% | 149 |
|---|
| August 2017Aug 2017 | 69 | −7 | −9.4% | 132 |
|---|
| July 2017Jul 2017 | 76 | −13 | −14.4% | 145 |
|---|
| June 2017Jun 2017 | 89 | −20 | −18.6% | 202 |
|---|
| May 2017May 2017 | 109 | −26 | −19.3% | 279 |
|---|
| April 2017Apr 2017 | 135 | +1 | +1% | 342 |
|---|
| March 2017Mar 2017 | 134 | −20 | −13.2% | 312 |
|---|
| February 2017Feb 2017 | 154 | −7 | −4.3% | 310 |
|---|
| January 2017Jan 2017 | 161 | +23 | +16.5% | 332 |
|---|
| December 2016Dec 2016 | 138 | +13 | +10.3% | 340 |
|---|
| November 2016Nov 2016 | 125 | −2 | −1.5% | 306 |
|---|
| October 2016Oct 2016 | 127 | −7 | −4.9% | 312 |
|---|
| September 2016Sept 2016 | 134 | −36 | −21.1% | 303 |
|---|
| August 2016Aug 2016 | 170 | −34 | −16.8% | 310 |
|---|
| July 2016Jul 2016 | 204 | +40 | +24.1% | 362 |
|---|
| June 2016Jun 2016 | 164 | +6 | +3.5% | 321 |
|---|
| May 2016May 2016 | 159 | +6 | +4.2% | 386 |
|---|
| April 2016Apr 2016 | 152 | +5 | +3.2% | 383 |
|---|
| March 2016Mar 2016 | 148 | −12 | −7.6% | 332 |
|---|
| February 2016Feb 2016 | 160 | −8 | −4.5% | 346 |
|---|
| January 2016Jan 2016 | 168 | +17 | +11.4% | 339 |
|---|
| December 2015Dec 2015 | 150 | +28 | +22.6% | 329 |
|---|
| November 2015Nov 2015 | 123 | −8 | −6.5% | 294 |
|---|
| October 2015Oct 2015 | 131 | +13 | +10.7% | 363 |
|---|
| September 2015Sept 2015 | 118 | −34 | −22.3% | 275 |
|---|
| August 2015Aug 2015 | 153 | −3 | −1.7% | 269 |
|---|
| July 2015Jul 2015 | 155 | −4 | −2.5% | 268 |
|---|
| June 2015Jun 2015 | 159 | +32 | +24.9% | 385 |
|---|
| May 2015May 2015 | 127 | −6 | −4.9% | 278 |
|---|
| April 2015Apr 2015 | 134 | −10 | −7.1% | 300 |
|---|
| March 2015Mar 2015 | 144 | −21 | −12.5% | 339 |
|---|
| February 2015Feb 2015 | 165 | −8 | −4.4% | 341 |
|---|
| January 2015Jan 2015 | 172 | +10 | +6.3% | 378 |
|---|
| December 2014Dec 2014 | 162 | +1 | +0.6% | 369 |
|---|
| November 2014Nov 2014 | 161 | −7 | −4.2% | 355 |
|---|
| October 2014Oct 2014 | 168 | +7 | +4.4% | 423 |
|---|
| September 2014Sept 2014 | 161 | −41 | −20.2% | 382 |
|---|
| August 2014Aug 2014 | 202 | −16 | −7.5% | 350 |
|---|
| July 2014Jul 2014 | 218 | +27 | +14.4% | 426 |
|---|
| June 2014Jun 2014 | 191 | +20 | +11.8% | 349 |
|---|
| May 2014May 2014 | 171 | −1 | −0.4% | 347 |
|---|
| April 2014Apr 2014 | 171 | +5 | +2.8% | 362 |
|---|
| March 2014Mar 2014 | 167 | −21 | −11.4% | 429 |
|---|
| February 2014Feb 2014 | 188 | −14 | −6.7% | 397 |
|---|
| January 2014Jan 2014 | 202 | +22 | +12.5% | 415 |
|---|
| December 2013Dec 2013 | 179 | +3 | +2% | 383 |
|---|
| November 2013Nov 2013 | 176 | −29 | −14.2% | 435 |
|---|
| October 2013Oct 2013 | 205 | −6 | −2.8% | 502 |
|---|
| September 2013Sept 2013 | 211 | −50 | −19.2% | 505 |
|---|
| August 2013Aug 2013 | 261 | +52 | +24.9% | 455 |
|---|
| July 2013Jul 2013 | 209 | −13 | −5.7% | 456 |
|---|
| June 2013Jun 2013 | 222 | +22 | +10.8% | 478 |
|---|
| May 2013May 2013 | 200 | 0 | −0.2% | 403 |
|---|
| April 2013Apr 2013 | 200 | −43 | −17.7% | 471 |
|---|
| March 2013Mar 2013 | 243 | −27 | −10.1% | 564 |
|---|
| February 2013Feb 2013 | 271 | −8 | −2.7% | 570 |
|---|
| January 2013Jan 2013 | 278 | +34 | +14% | 596 |
|---|
| December 2012Dec 2012 | 244 | +18 | +7.9% | 485 |
|---|
| November 2012Nov 2012 | 226 | −15 | −6.2% | 523 |
|---|
| October 2012Oct 2012 | 241 | −26 | −9.8% | 547 |
|---|
| September 2012Sept 2012 | 267 | −52 | −16.2% | 564 |
|---|
| August 2012Aug 2012 | 319 | −28 | −8.1% | 579 |
|---|
| July 2012Jul 2012 | 347 | — | — | 569 |
|---|
