Operation: Black Mesa
Developer Tripmine StudiosPublisher Tripmine Studios
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.
Updated Oct 27, 2026.
Previous #223 · Updated Oct 27, 2026.
Metadata synced: Oct 24, 2026 · Not queued
Prices & bundle history
Cached US/USD prices; checkout prices may differ. Bundle history covers recorded observations and may be incomplete.
Rank History
Recent appearances for this app across complete public snapshots.
| Captured | Top Sellers | Wishlist Rank |
|---|---|---|
| Oct 27, 2026 | - | #224 |
| Oct 26, 2026 | - | #223 |
| Oct 25, 2026 | - | #222 |
| Oct 24, 2026 | - | #221 |
| Oct 23, 2026 | - | #220 |
| Oct 22, 2026 | - | #221 |
| Oct 21, 2026 | - | #223 |
| Oct 20, 2026 | - | #222 |
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Store Details
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