🇺🇸:: OP GOLD :: || Classic || Op4 Crossfire || All Welcome
OnlinePlayer Activity (24 Hours)
Player Trends (7 Days)
Map Rotation (7 Days)
Server Overview
We have been tracking this Half-Life: Opposing Force server since Feb 2026, with 174 status checks recorded in the last 30 days.
Over the past 30 days it has been online 100% of the time, averaging 0.6 players.
Its busiest moment in that window reached 9 concurrent players on Jul 18, 2026 at 18:44 UTC.
Activity is typically highest around 18:00 UTC, which is usually the best time to find a populated game.
The map played most often here recently is "op4_crossfire".
Player numbers are trending up 144% versus the previous week.
Frequently asked questions
Is :: OP GOLD :: || Classic || Op4 Crossfire || All Welcome online right now?
Yes — as of the last check (3 hours ago) it was online with 0/32 players.
How do I connect to this Half-Life: Opposing Force server?
Use the address 147.135.6.9:27024 in your Half-Life: Opposing Force client's server browser or direct-connect field.
When is the best time to play?
Based on 30 days of tracking, this server is busiest around 18:00 UTC.
How reliable is this server?
It has maintained 100% uptime across the last 30 days of monitoring.
Recent Players (3)
Yesil
Last seen: Online now
TrFuchs
Last seen: Online now
Rainman
Last seen: Online now
How to Connect
Server address:
147.135.6.9:27024Make sure you have Half-Life: Opposing Force installed before connecting. The server must be online to accept connections.
About Half-Life: Opposing Force
Server monitoring for Half-Life: Opposing Force game servers. [Valve Protocol](#valve)
View all Half-Life: Opposing Force servers →Rank
#10 votes this month (0 all time)
Server Details
- Address
- 147.135.6.9:27024
- Location
- 🇺🇸US
- Current Map
- op4_crossfire
- Version
- gearbox
- Password
- None
- VAC
- Secured
- Tracked since
- Feb 15, 2026
- Last Checked
- 3 hours ago
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