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23,873 recorded observations · Latest sample
UTC
| Month | Peak players | Peak change | Average players |
|---|---|---|---|
| October 2026 | Peak390 | Peak change+20Peak percentage change: +5.4% | Average |
GaugeDB’s latest recorded Steam player count for Alien Swarm: Reactive Drop is 112 concurrent players (). Its recorded 24-hour peak is 256 players. The highest count in GaugeDB’s collected history is 1,731 concurrent players on .
Concurrent Steam players, not daily or monthly active users. Console and other launchers are excluded. Peaks cover GaugeDB’s recorded history.
Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.
Steam store description
| September 2026 | Peak370 | Peak change—Peak percentage change: — | Average133Average percentage change: — |
| August 2020 | Peak832 | Peak change+275Peak percentage change: +49.4% | Average341Average percentage change: +30.2% |
| July 2020 | Peak557 | Peak change+16Peak percentage change: +3.0% | Average262Average percentage change: +1.9% |
| June 2020 | Peak541 | Peak change−206Peak percentage change: −27.6% | Average257Average percentage change: −27.6% |
| May 2020 | Peak747 | Peak change−984Peak percentage change: −56.8% | Average355Average percentage change: −20.9% |
| April 2020 | Peak1,731 | Peak change+880Peak percentage change: +103.4% | Average449Average percentage change: +23.0% |
| March 2020 | Peak851 | Peak change−316Peak percentage change: −27.1% | Average365Average percentage change: +0.8% |
| February 2020 | Peak1,167 | Peak change+523Peak percentage change: +81.2% | Average362Average percentage change: +57.4% |
| January 2020 | Peak644 | Peak change+160Peak percentage change: +33.1% | Average230Average percentage change: +16.8% |
| December 2019 | Peak484 | Peak change−23Peak percentage change: −4.5% | Average197Average percentage change: −2.0% |
| November 2019 | Peak507 | Peak change+212Peak percentage change: +71.9% | Average201Average percentage change: +67.5% |
| October 2019 | Peak295 | Peak change−6Peak percentage change: −2.0% | Average120Average percentage change: −0.8% |
| September 2019 | Peak301 | Peak change−48Peak percentage change: −13.8% | Average121Average percentage change: −24.4% |
| August 2019 | Peak349 | Peak change+35Peak percentage change: +11.1% | Average160Average percentage change: +6.0% |
| July 2019 | Peak314 | Peak change−1Peak percentage change: −0.3% | Average151Average percentage change: +4.1% |
| June 2019 | Peak315 | Peak change−29Peak percentage change: −8.4% | Average145Average percentage change: −1.4% |
| May 2019 | Peak344 | Peak change+43Peak percentage change: +14.3% | Average147Average percentage change: +2.1% |
| April 2019 | Peak301 | Peak change−90Peak percentage change: −23.0% | Average144Average percentage change: −4.6% |
| March 2019 | Peak391 | Peak change+47Peak percentage change: +13.7% | Average151Average percentage change: +0.7% |
| February 2019 | Peak344 | Peak change−21Peak percentage change: −5.8% | Average150Average percentage change: −11.2% |
| January 2019 | Peak365 | Peak change−365Peak percentage change: −50.0% | Average169Average percentage change: −5.1% |
| December 2018 | Peak730 | Peak change+373Peak percentage change: +104.5% | Average178Average percentage change: +35.9% |
| November 2018 | Peak357 | Peak change+25Peak percentage change: +7.5% | Average131Average percentage change: −5.1% |
| October 2018 | Peak332 | Peak change−53Peak percentage change: −13.8% | Average138Average percentage change: −18.3% |
| September 2018 | Peak385 | Peak change+29Peak percentage change: +8.1% | Average169Average percentage change: −13.8% |
| August 2018 | Peak356 | Peak change−67Peak percentage change: −15.8% | Average196Average percentage change: −7.1% |
| July 2018 | Peak423 | Peak change−27Peak percentage change: −6.0% | Average211Average percentage change: 0.0% |
| June 2018 | Peak450 | Peak change−6Peak percentage change: −1.3% | Average211Average percentage change: −2.8% |
| May 2018 | Peak456 | Peak change−63Peak percentage change: −12.1% | Average217Average percentage change: −8.8% |
| April 2018 | Peak519 | Peak change−56Peak percentage change: −9.7% | Average238Average percentage change: +1.3% |
| March 2018 | Peak575 | Peak change+25Peak percentage change: +4.5% | Average235Average percentage change: −16.4% |
| February 2018 | Peak550 | Peak change−16Peak percentage change: −2.8% | Average281Average percentage change: −2.1% |
| January 2018 | Peak566 | Peak change+17Peak percentage change: +3.1% | Average287Average percentage change: +10.4% |
| December 2017 | Peak549 | Peak change—Peak percentage change: — | Average260Average percentage change: — |
Based on recorded samples. Changes compare consecutive months; coverage may be partial.