Some mods target the Mono version of the game, which is available by opting into the Steam beta branch "alternate"
S1API
A Schedule One Mono / Il2Cpp Cross Compatibility Layer
Available versions
Please note that the install buttons only work if you have compatible client software installed, such as the Thunderstore Mod Manager. Otherwise use the zip download links instead.
| Upload date | Version number | Downloads | Actions |
|---|---|---|---|
| 2025-4-29 | 1.6.2 | 12824 | Download Install |
| 2025-4-29 | 1.5.1 | 24 | Download Install |
| 2025-4-28 | 1.5.0 | 568 | Download Install |
| 2025-4-28 | 1.4.4 | 17 | Download Install |
| 2025-4-28 | 1.4.3 | 8 | Download Install |
| 2025-4-28 | 1.4.2 | 10 | Download Install |
| 2025-4-28 | 1.4.1 | 8 | Download Install |
| 2025-4-24 | 1.3.1 | 1490 | Download Install |
| 2025-4-23 | 1.3.0 | 131 | Download Install |
| 2025-4-23 | 1.2.4 | 234 | Download Install |
| 2025-4-23 | 1.2.3 | 262 | Download Install |
| 2025-4-23 | 1.2.2 | 16 | Download Install |
| 2025-4-23 | 1.2.1 | 88 | Download Install |
| 2025-4-23 | 1.2.0 | 48 | Download Install |
| 2025-4-22 | 1.1.2 | 223 | Download Install |
| 2025-4-22 | 1.1.1 | 31 | Download Install |
| 2025-4-22 | 1.1.0 | 5 | Download Install |
| 2025-4-21 | 1.0.9 | 137 | Download Install |
