Element card · group Community · atomic number 15,514, its rank
Cobalt Test
Offline 31.59.125.121:28015 checked 28d ago
Players
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
daily · 1 is best
Top 65% of all ranked servers. Ranked on player hours over the last seven days.
Wipe 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.
Wipes
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-
1
Ru
Rusty Moose |E…
346
Rusty Moose |EU Mondays| 346/ 400
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2
Ru
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Rustoria.co - EU East Long 454/ 500
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3
Ru
Rusty Moose |E…
985
Rusty Moose |EU Main| 985/ 1,000
-
4
Ru
Rustafied.com …
45
Rustafied.com - EU Friday 45/ 100
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5
Ru
Rustoria.co - …
983
Rustoria.co - EU Main 983/ 1,000
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6
Ru
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Rustoria.co - US Main 43/ 250
Quick answers
from the figures on this pageMap and rules
What map is in play on Cobalt Test?
The map on Cobalt Test is procedural, made by the game.
What rules has Cobalt Test set, and what settings are in force?
No gather rate appears in the name of Cobalt Test. Eight players per group is the limit, the game's default. Play runs as survival, gather, build and raid, as in the standard game. You can fight other players and raid them. It appears under Community in the server browser. VAC is on, Valve's anti-cheat.
About the server
Which location is Cobalt Test based in?
No region is published by Cobalt Test. The location shown is the one a server states; Rust Data Lab does not check where the machine actually stands. 31.59.125.121:28015 is the address it uses.
On what Rust version does Cobalt Test operate?
On Windows, Cobalt Test is running Rust network protocol 2633 and build 165217. Joining requires the same protocol on your game; Steam takes care of updating it.
Does Cobalt Test stay up, and how reliable is its uptime?
Currently offline, Cobalt Test was last seen 28 days 19 hours ago. For the last 7 full days, 0 of 168 hours were online, giving 0% uptime. It first appeared to Rust Data Lab on 23 September 2026.
Wipes and resets
What is the wiping pattern on Cobalt Test?
The record holds too few of Cobalt Test's wipes to show its rhythm. The monthly force wipe resets every Rust server; it next occurs on Thursday 5 November at 19:00 UTC. The world it is running now dates from 28 days 21 hours ago.
How does Cobalt Test look on the day of a wipe?
At their busiest, recent wipes averaged 0 players. Peak numbers on the latest wipe came 0 hours in.
Where it appears
Which meanings sit behind the tags on Cobalt Test?
The game's server browser reads the tags Cobalt Test publishes, which are gmrust (Game mode): Standard Rust survival is the game here; mp10 (Max players): It has 10 slots; ts8 (Group limit): Teams cap at 8, which is the game default; v2633 (Protocol): Protocol 2633 is required; join only if your game matches it; cs165217 (Build): It runs build 165217; ptrak (Networking): The network layer is RakNet, standard in the game; $r? (Region code): No region code is set. Current players, the queue and the world's creation time sit in the tags too, shown at the top of this page.
Where among the Rust Data Lab lists and filters does Cobalt Test come up?
These themed Rust Data Lab lists carry Cobalt Test: Rust community servers, measured. These filters bring it up on the server list: Type: Community (not modded, not official) and No plugins at all; Group limit: 5 or more.
Player numbers
Against other Rust servers, where does Cobalt Test place?
Player hours over the last week put Cobalt Test at #15,514, inside the top 65% of ranked servers.
What does the current player count on Cobalt Test tell you?
The last recorded sighting of Cobalt Test was 28 days 19 hours ago, and it is offline now.
Connection
What steps get you onto Cobalt Test?
In Rust, press F1 and enter client.connect 31.59.125.121:28015. Or click Launch Rust here to open Rust via Steam and connect automatically.