Steam
Operation: Black Mesa
100 · Official storeUnavailable40h agoRegion US
No USD price yet
Operation: Black Mesa
Experience the Half-Life™ expansion packs like never before. Operation: Black Mesa features reimaginings of both Half-Life™ Opposing Force and Half-Life™ Blue Shift through two unique campaigns. How will you survive the Black Mesa Incident? It's time to choose.
Release date unknownWindows
ActionIndieCaptions availableFamily SharingFull controller supportIncludes level editorSingle-playerSteam AchievementsSteam CloudSteam Workshop
Tracked stores
1
Best indexed price
No USD price yet
Review signal
No reviews
Compare Sellers
No priced seller matches the current region and currency.
1/1
No price
How trust is scored: KeyDwarf combines source type, known retailer posture, marketplace risk, activation-region warnings, and source transparency. Checkout and support still happen with the external seller.
Price History
No USD price history is indexed for this game yet.
Images and Media
Frequently asked
Where is Operation: Black Mesa cheapest right now?
Operation: Black Mesa is currently indexed at No USD price yet from Steam. Official Steam Store listing.
What is the historical low for Operation: Black Mesa?
KeyDwarf has not indexed enough USD history for Operation: Black Mesa yet.
Is the top source safe?
Steam is labeled "Official store" in the index. KeyDwarf tracks the listing and source risk, but checkout and support stay with the external store.
What is the review signal?
No review summary is indexed for this game yet.
Can KeyDwarf notify me about a lower price?
Use the alert target control on this page to save a watch target after sign-in.