Half-Life: Opposing Force
Live player count and Steam charts
Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry. Named 'Game of the Year' by the Academy of Interactive Arts and Sciences.
Player history
Each point is the highest number of players online in that month (UTC). History before July 13, 2026 is imported; everything after is our own readings. Zoom in for finer detail.
Monthly player counts
| Month | Avg players | Gain | % gain | Peak |
|---|---|---|---|---|
| Jul 2026 * | 103 | +15 | +17.0% | 215 |
| Jun 2026 | 88 | +5 | +6.0% | 192 |
| May 2026 | 83 | -4 | -4.6% | 183 |
| Apr 2026 | 87 | -3 | -3.3% | 160 |
| Mar 2026 | 90 | -1 | -1.1% | 222 |
| Feb 2026 | 91 | -36 | -28.3% | 167 |
| Jan 2026 | 127 | +5 | +4.1% | 270 |
| Dec 2025 | 122 | +30 | +32.6% | 282 |
| Nov 2025 | 92 | +15 | +19.5% | 206 |
| Oct 2025 | 77 | +9 | +13.2% | 165 |
| Sep 2025 | 68 | -11 | -13.9% | 122 |
| Aug 2025 | 79 | -19 | -19.4% | 140 |
* current month, data so far
Recent updates
- Oct 8, 2019Half-Life: Opposing Force update released
- Aug 21, 2018Half-Life: Opposing Force update released
- Jul 10, 2017Half-Life: Opposing Force update released
- Jul 10, 2017Half-Life: Opposing Force update released
- Jul 31, 2013Half-Life: Opposing Force update released
- Jul 31, 2013Half-Life: Opposing Force update released
When people play
Average concurrent players by day and hour over the last 16 days, shown in .
Daily activity peaks around 20:00 — a pattern consistent with a player base concentrated in Europe, the Middle East & Africa. Steam publishes no per-country player data, so this is inferred from play times.
Audience
Language mix of 100 Steam reviews spanning 10 days — a rough proxy for where the player base is.
