Off air · chart position #15,514
Cobalt Test
Offline 31.59.125.121:28015 checked 28d ago
Players
Cobalt Test
Every five minutes, from the Steam server list.
Hourly average and peak, UTC.
Daily average and peak, UTC.
Server performance
48 hours: hourly readings. 30 to 90 days: one point a day, with the day's average and lowest fps, most entities and most memory. From asking the server directly; low fps and a climbing entity count mean lag.
Rank
Top 65% of all ranked servers. Ranked on player hours over the last seven days.
Wipe schedule
Not enough wipes seen yet to tell when the next one is. Every server wipes at the monthly force wipe.
The first 48 hours of its last wipes
Players each hour, from the hour of the wipe. The latest peaked at 0, 0 hours in.
Wipes
| Wiped | Peak | Crowd | Lasted | Players before |
|---|---|---|---|---|
| Sun 27 Sep, 21:41 UTC31d ago | 0 | – | running | 0 |
| Wed 23 Sep, 22:22 UTC35d ago | 0 | – | 4 days | 0 |
Peak: the most players in the first 48 hours. Crowd: whether every day of the wipe kept at least half that peak, or the day it fell below. A new world less than six hours after a wipe is a restart, not a wipe of its own.
Similar servers
Quick answers
About the server
Is Cobalt Test online, and how reliable is it?
You will not get on Cobalt Test just now: it is offline, last seen 28 days 23 hours ago. 0 of 168 hours is what it managed over the past 7 full days, 0% of the time. Its earliest entry with Rust Charts dates from 23 September 2026.
Where is Cobalt Test located?
There's no region listed for Cobalt Test. Rust Charts shows the location a server claims, not where the machine actually is. 31.59.125.121:28015 is its address.
Which version of Rust does Cobalt Test run?
Rust network protocol 2633 and build 165217 on Windows is the version Cobalt Test runs. Your game must match the protocol to get in, and Steam keeps it updated for you.
Who is on
How busy is Cobalt Test?
Cobalt Test shows as offline now, with its last appearance 28 days 23 hours ago.
How does Cobalt Test rank against other Rust servers?
In the seven-day player hours table, Cobalt Test is #15,514, inside the top 65% of all ranked servers.
Wipe schedule
What does wipe day look like on Cobalt Test?
At their busiest, its recent wipes averaged 0 players. 0 hours after the latest wipe, the crowd peaked.
What is the wipe schedule on Cobalt Test?
Too few wipes on record for Cobalt Test to show its rhythm. On Thursday 5 November at 19:00 UTC the monthly force wipe arrives, and it covers every Rust server. The world in play was made 29 days 1 hours.
Settings and map
What are the rules and settings on Cobalt Test?
You will not find a gather rate in the name Cobalt Test. Up to 8 players per group, as the game sets by default. survival is the game mode, the usual game, where you gather, build and raid. Fighting and raiding between players is allowed. Community is where it appears in the server browser; it is a community server. VAC is on: that is Valve's anti-cheat.
Which map does Cobalt Test run?
A procedural map, generated by the game, is what Cobalt Test runs.
Tags explained
Which Rust Charts lists and filters include Cobalt Test?
The Rust Charts lists that carry Cobalt Test are: Rust community servers, unmodded. It appears under these filters on the server list: Type: Community (not modded, not official) and No plugins at all; Group limit: 5 or more.
What do the server tags on Cobalt Test mean?
gmrust (Game mode): Standard survival rules apply; mp10 (Max players): It has 10 slots; ts8 (Group limit): Team size is capped at 8, the default; v2633 (Protocol): Protocol 2633: join only if your game matches that version; cs165217 (Build): Build 165217 is what runs here; ptrak (Networking): RakNet is the network layer here, the game's default; $r? (Region code): This server has no region code — that's the set of tags Cobalt Test publishes for the server browser. At the top of this page you'll see the tags' extra details: players now, the queue, and the age of the world.
Getting in
How do I join Cobalt Test?
Press F1 in Rust to open the console and type client.connect 31.59.125.121:28015. Joining on this page with Launch Rust works too, opening Rust through Steam and connecting you.