: Some users report significant FPS drops and technical glitches, often requiring the 4GB Patch for stability.
| Component | Offline requirement | |-----------|----------------------| | Activation status | Valid license token locally stored | | System time | Must be correct (no tampering, else DRM may fail) | | Third-party dependencies | No online map tile requests (Wuppertal add-on is fully local) | | OMSI version | 2.3.004 or higher (Steam version works best offline) | OMSI 2 Add-On Wuppertal free offline