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  • steam
    • GameCharts     Steam    Project Arrhythmia
    Month Avg. Players Gain % Gain Peak Players
    December 2025 11 -1 -8.33% 23
    November 2025 12 1 9.09% 29
    October 2025 11 0 0% 26
    September 2025 11 -2 -15.38% 27
    August 2025 13 -1 -7.14% 30
    July 2025 14 -4 -22.22% 36
    June 2025 18 3 20% 38
    May 2025 15 2 15.38% 36
    April 2025 13 -2 -13.33% 27
    March 2025 15 0 0% 32
    February 2025 15 1 7.14% 36
    January 2025 14 -2 -12.5% 30
    December 2024 16 -1 -5.88% 32
    November 2024 17 2 13.33% 37
    October 2024 15 -2 -11.76% 37
    September 2024 17 -2 -10.53% 46
    August 2024 19 -2 -9.52% 35
    July 2024 21 2 10.53% 44
    June 2024 19 2 11.76% 45
    May 2024 17 -1 -5.56% 35
    April 2024 18 -2 -10% 36
    March 2024 20 -1 -4.76% 39
    February 2024 21 1 5% 49
    January 2024 20 2 11.11% 41
    December 2023 18 0 0% 42
    November 2023 18 -2 -10% 38
    October 2023 20 -1 -4.76% 43
    September 2023 21 -2 -8.7% 51
    August 2023 23 -2 -8% 42
    July 2023 25 1 4.17% 47
    June 2023 24 -1 -4% 47
    May 2023 25 2 8.7% 51
    April 2023 23 -2 -8% 46
    March 2023 25 -2 -7.41% 52
    February 2023 27 -3 -10% 49
    January 2023 30 -1 -3.23% 63
    December 2022 31 4 14.81% 69
    November 2022 27 -4 -12.9% 54
    October 2022 31 4 14.81% 60
    September 2022 27 -7 -20.59% 47
    August 2022 34 -2 -5.56% 61
    July 2022 36 0 0% 63
    June 2022 36 2 5.88% 64
    May 2022 34 3 9.68% 70
    April 2022 31 -3 -8.82% 56
    March 2022 34 -2 -5.56% 60
    February 2022 36 3 9.09% 76
    January 2022 33 -5 -13.16% 62
    December 2021 38 8 26.67% 70
    November 2021 30 -2 -6.25% 57
    October 2021 32 -2 -5.88% 69
    September 2021 34 -6 -15% 72
    August 2021 40 1 2.56% 73
    July 2021 39 4 11.43% 68
    June 2021 35 -2 -5.41% 64
    May 2021 37 -4 -9.76% 71
    April 2021 41 -5 -10.87% 71
    March 2021 46 -6 -11.54% 84
    February 2021 52 -1 -1.89% 80
    January 2021 53 3 6% 94
    December 2020 50 1 2.04% 97
    November 2020 49 -6 -10.91% 81
    October 2020 55 1 1.85% 91
    September 2020 54 -9 -14.29% 107
    August 2020 63 5 8.62% 98
    July 2020 58 8 16% 93
    June 2020 50 12 31.58% 87
    May 2020 38 2 5.56% 72
    April 2020 36 9 33.33% 70
    March 2020 27 3 12.5% 50
    February 2020 24 --- --- 55

    About Project Arrhythmia

    "Project Arrhythmia" is a musical bullet-hell in which all things beautiful are deadly. Avoid the musically timed pulse of blocks and bars, and in the process you might just find out what this mysterious "Project Arrhythmia" is.


    • Arcade Mode: A fun way to play user made levels with your friends in up to 8 player Local Co-Op.
    • Level editor: A robust and easy to pick up level editor for user created content, built right into the game.
    • Steam Workshop: Full integration with Arcade Mode and the game's Level Editor to allow easy uploading and downloading of user made levels.