Offline 31.59.125.121:28015 checked 28d ago
Cobalt Test
By the numbersMatch stats
against its 10 slotsThe story of the match
Players, performance and rank, hour by hour and day by day.
CrowdPlayers
Every five minutes, from the Steam server list.
Hourly average and peak, UTC.
Daily average and peak, UTC.
FitnessServer 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.
FormRank
daily · 1 is bestTop 65% of all ranked servers. Ranked on player hours over the last seven days.
FixturesWipe schedule
too few wipes seen yetNot 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.
ResultsWipes
newest first| 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
The same kind of game, then region, group limit, rate and wipes.
Quick answers
From the figures on this page.
Server details
Is Cobalt Test online, and how reliable is it?
Offline right now, with a last sighting 28 days 20 hours ago: Cobalt Test. 0% of the time over the last 7 full days, which is 0 of 168 hours up. Rust Player Stats logged it for the first time on 23 September 2026.
Which Rust version is Cobalt Test on?
Windows carries Rust network protocol 2633 and build 165217 at Cobalt Test. To get in, your game needs the same protocol; Steam handles the update.
Where is Cobalt Test located?
There is no region published on Cobalt Test. Where the machine physically stands is not looked up by Rust Player Stats; it shows only what the server states. 31.59.125.121:28015 is the address.
Tags
What do the server tags on Cobalt Test mean?
Tags published by Cobalt Test and picked up by the in-game browser: gmrust (Game mode): Rust survival as standard; mp10 (Max players): It holds 10 slots; ts8 (Group limit): Teams cap at 8, the game default; v2633 (Protocol): Game protocol 2633: join only if your game matches that version; cs165217 (Build): It runs game build 165217; ptrak (Networking): RakNet handles the network here, the game's standard layer; $r? (Region code): There's no region code on this one. You will also find its current players, its queue and the age of its world in the tags, shown at the top of this page.
Which Rust Player Stats lists and filters include Cobalt Test?
These Rust Player Stats lists take Cobalt Test: Community servers, ranked live. Searching the server list with these filters returns it: Type: Community (not modded, not official) and No plugins at all; Group limit: 5 or more.
Server rules
Which map is running on Cobalt Test?
A procedural map, generated by the game, is what Cobalt Test runs.
What are the rules and settings on Cobalt Test?
Nothing in the name of Cobalt Test states a gather rate. Groups top out at 8 players, the default for the game. build, gather and raid in the standard game: that is the survival game mode. Fighting and raiding between players is allowed. You will find it listed as Community. Anti-cheat is on: VAC.
Population
How full is Cobalt Test right now?
Last seen 28 days 20 hours ago, Cobalt Test is offline right now.
Where does Cobalt Test sit in the rankings?
The last seven days put Cobalt Test at #15,514 on player hours: top 65% of all ranked servers.
Wipe timing
What is the wipe schedule on Cobalt Test?
To tell its rhythm, more of Cobalt Test's wipes need to be on record. Next on Thursday 5 November at 19:00 UTC is the monthly force wipe, when every Rust server wipes. The world it runs now was made 28 days 22 hours ago.
What does wipe day look like on Cobalt Test?
The average busiest point of its recent wipes was 0 players. The crowd reached its peak 0 hours after the latest wipe.
Connect
How do I join Cobalt Test?
Press F1 in Rust, bring up the console and enter client.connect 31.59.125.121:28015. The Launch Rust button here does the same, opening Rust via Steam and connecting you.
GlossaryServer tags
what each one meansPublished as mp10,ptrak,$r?,v2633,gmrust,cs165217,ts8
Game
gmrust
mp10
ts8
v2633
cs165217
ptrak
$r?
Players now (cp), the queue (qp) and the wipe time (born) are in the tag string too; they change every few minutes and are shown at the top of the page. Flag meanings are Facepunch's.