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  • steam
  • GameCharts     Steam    Alien Swarm
    Month Avg. Players Gain % Gain Peak Players
    March 2024 601 199 49.5% 797
    February 2024 402 323 408.86% 1,711
    January 2024 79 39 97.5% 421
    December 2023 40 3 8.11% 531
    November 2023 37 -9 -19.57% 103
    October 2023 46 -31 -40.26% 102
    September 2023 77 16 26.23% 128
    August 2023 61 4 7.02% 90
    July 2023 57 0 0% 87
    June 2023 57 -2 -3.39% 87
    May 2023 59 3 5.36% 93
    April 2023 56 -5 -8.2% 84
    March 2023 61 -2 -3.17% 99
    February 2023 63 -1 -1.56% 96
    January 2023 64 1 1.59% 110
    December 2022 63 2 3.28% 145
    November 2022 61 -4 -6.15% 103
    October 2022 65 -11 -14.47% 127
    September 2022 76 -2 -2.56% 157
    August 2022 78 -18 -18.75% 160
    July 2022 96 23 31.51% 232
    June 2022 73 -4 -5.19% 132
    May 2022 77 -5 -6.1% 202
    April 2022 82 6 7.89% 326
    March 2022 76 12 18.75% 182
    February 2022 64 0 0% 102
    January 2022 64 5 8.47% 101
    December 2021 59 -2 -3.28% 89
    November 2021 61 34 125.93% 161
    October 2021 27 1 3.85% 313
    September 2021 26 -35 -57.38% 88
    August 2021 61 0 0% 92
    July 2021 61 -3 -4.69% 91
    June 2021 64 -8 -11.11% 91
    May 2021 72 15 26.32% 107
    April 2021 57 14 32.56% 182
    March 2021 43 6 16.22% 100
    February 2021 37 -12 -24.49% 74
    January 2021 49 14 40% 104
    December 2020 35 1 2.94% 66
    November 2020 34 0 0% 81
    October 2020 34 4 13.33% 76
    September 2020 30 -5 -14.29% 82
    August 2020 35 2 6.06% 58
    July 2020 33 -9 -21.43% 64
    June 2020 42 -185 -81.5% 269
    May 2020 227 175 336.54% 5,595
    April 2020 52 10 23.81% 120
    March 2020 42 8 23.53% 119
    February 2020 34 --- --- 63

    About Alien Swarm

    Alien Swarm is a game and Source SDK release from a group of talented designers at Valve who were hired from the Mod community.
    Available free of charge, the game thrusts players into an epic bug hunt featuring a unique blend of co-op play and squad-level tactics. With your friends, form a squad of four distinct IAF Marine classes. Plan your attack using an unlockable arsenal of weapons with countless loadout configurations against a wide variety of aliens. Blaze your way through an overrun, off-world colony, eradicating the alien infestation in environments ranging from the icy planet's surface, to a subterranean lava-flooded mining facility.
    Along with the game get the complete code base for Alien Swarm that features updates to the Source engine as well as the SDK. Alien Swarm adds 3rd person camera, depth of field, improved dynamic shadows and a wide variety of gameplay additions to the Source engine.
    • Tactical, 4 player...