To run the Rising Tide expansion for Sid Meier's Civilization: Beyond Earth
If you already own Civilization: Beyond Earth, you can download Rising Tide through various digital distribution platforms: To run the Rising Tide expansion for Sid
| Issue | Likely Cause | Solution |
| :--- | :--- | :--- |
| "Missing executable" error | Base game not installed | Install Beyond Earth first. |
| Download stuck at 99% | Steam cache or antivirus blocking | Clear Steam download cache. Temporarily disable antivirus. |
| Expansion shows as installed but game is base version | Corrupted DLC manifest | Right-click game > Properties > Local Files > Verify integrity of game files. |
| Low FPS even on good PC | Rising Tide defaults to DirectX 9 mode | Force DirectX 11: In Steam launch options, type -dx11. | | | Expansion shows as installed but game
Rising Tide introduces mechanics that stress your PC differently than the base game. Local Files >