6
Players now
17
24h Peak
480
All-time peak
Steam Charts
M.A.S.S. Builder
Commander, customize and build your Mechanical Assault Skeleton Suit (M.A.S.S.) and lead the fight against an alien invasion bent on exterminating the human race. The fate of humanity is in your hands.
Monthly player count and growth trends
| Month | Average players | Gain |
|---|---|---|
| 2026-10 | 8 | -1 |
| 2026-09 | 9 | -2 |
| 2026-08 | 11 | -4 |
| 2026-07 | 15 | -5 |
| 2026-06 | 20 | -1 |
| 2026-05 | 21 | 9 |
| 2026-04 | 12 | -2 |
| 2026-03 | 14 | 4 |
| 2026-02 | 10 | 0 |
| 2026-01 | 10 | 0 |
| 2025-12 | 10 | -2 |
| 2025-11 | 12 | -4 |
| 2025-10 | 16 | -20 |
| 2025-09 | 36 | 24 |
| 2025-08 | 12 | 3 |
| 2025-07 | 9 | -1 |
| 2025-06 | 10 | 0 |
| 2025-05 | 10 | 0 |
| 2025-04 | 10 | -1 |
| 2025-03 | 11 | -4 |
| 2025-02 | 15 | -2 |
| 2025-01 | 17 | -3 |
| 2024-12 | 20 | -3 |
| 2024-11 | 23 | 1 |
| 2024-10 | 22 | -18 |
| 2024-09 | 40 | -13 |
| 2024-08 | 53 | -86 |
| 2024-07 | 139 | 95 |
| 2024-06 | 44 | -12 |
| 2024-05 | 56 | 3 |
| 2024-04 | 53 | 6 |
| 2024-03 | 47 | 1 |
| 2024-02 | 46 | -5 |
| 2024-01 | 51 | -3 |
| 2023-12 | 54 | -4 |
| 2023-11 | 58 | -113 |
| 2023-10 | 171 | -32 |
| 2023-09 | 203 | 131 |
| 2023-08 | 72 | -9 |
| 2023-07 | 81 | 13 |
| 2023-06 | 68 | -58 |
| 2023-05 | 126 | 45 |
| 2023-04 | 81 | -38 |
| 2023-03 | 119 | 14 |
| 2023-02 | 105 | -5 |
| 2023-01 | 110 | -68 |
| 2022-12 | 178 | -125 |
| 2022-11 | 303 | 224 |
| 2022-10 | 79 | -2 |
| 2022-09 | 81 | -58 |
| 2022-08 | 139 | 43 |
| 2022-07 | 96 | -8 |
| 2022-06 | 104 | -62 |
| 2022-05 | 166 | 29 |
| 2022-04 | 137 | 0 |
| 2022-03 | 137 | -40 |
| 2022-02 | 177 | -235 |
| 2022-01 | 412 | 310 |
| 2021-12 | 102 | -52 |
| 2021-11 | 154 | 21 |
| 2021-10 | 133 | 8 |
| 2021-09 | 125 | 4 |
| 2021-08 | 121 | -158 |
| 2021-07 | 279 | -90 |
| 2021-06 | 369 | 297 |
| 2021-05 | 72 | -57 |
| 2021-04 | 129 | -101 |
| 2021-03 | 230 | 82 |
| 2021-02 | 148 | 51 |
| 2021-01 | 97 | -15 |
| 2020-12 | 112 | -9 |
| 2020-11 | 121 | -102 |
| 2020-10 | 223 | 5 |
| 2020-09 | 218 | 120 |
| 2020-08 | 98 | -382 |
| 2020-07 | 480 | 321 |
| 2020-06 | 159 | 77 |
| 2020-05 | 82 | 8 |
| 2020-04 | 74 | -127 |
| 2020-03 | 201 | 159 |
| 2020-02 | 42 | -8 |
| 2020-01 | 50 | -61 |
| 2019-12 | 111 | 55 |
| 2019-11 | 56 | -47 |
| 2019-10 | 103 | -160 |
| 2019-09 | 263 | 0 |