Black Mesa stores its save files at {STEAM}\steamapps\common\Black Mesa\bms\save on Windows. Checkpoint64 already knows this folder — it backs it up automatically and keeps every version, so a corrupted or overwritten save is one click from restored.
Where Black Mesa saves are stored
- Windows —
{STEAM}\steamapps\common\Black Mesa\bms\save - Linux —
{STEAM}/steamapps/common/Black Mesa/bms/save
How to open the save folder
- Windows — press Win+R, paste
{STEAM}\steamapps\common\Black Mesa\bms\save, and press Enter.
Backing up Black Mesa saves automatically
- Install Checkpoint64 (free) and pick Black Mesa — the save path above is already preset.
- Auto-backup watches the folder and uploads a new version whenever it changes, keeping full history.
- Restore any version in one click if a save corrupts, gets overwritten, or a mod breaks it.