Power level
Players on it, from the Steam server list.
Every five minutes.
Hourly average and peak, UTC.
Daily average and peak, UTC.
Tale of the tape
Against its closest rival: the most similar server we track.
Wipe receipt
31.59.125.121:28015
THANK YOU · COME AGAIN NEXT WIPE
The map
Under the hood
Asked of the server directly. Low fps and a climbing entity count mean lag.
The ranking
Down 1102 places on last week. Top 65% of all ranked servers. Daily; 1 is best.
Spec sheet
- Address
- 31.59.125.121:28015
- Region
- –
- Max players
- 10
- Group limit
- 8, the default
- Wipe schedule
- –
- Last wipe
- 30 Sep 2026, 20:11 UTC
- Hostname
- –
- First seen
- 23 Sep 2026
Other contenders
The same kind of game, then region, group limit, rate and wipes.
Quick answers
From the figures on this page.
Server rules
What are Cobalt Test's rules and configuration?
The name of Cobalt Test does not include a gather rate. The group limit is 8 players, as the game defaults. It plays as survival, gather, build and raid in the standard game. Fighting and raiding between players is allowed. You see it under Community in the browser: it is a community server. The server has VAC on.
What's the map on Cobalt Test?
A procedural map is in use on Cobalt Test, made by the game.
Server tags
What are the tags on Cobalt Test for?
gmrust (Game mode): The usual Rust survival setup; mp10 (Max players): Room for 10; ts8 (Group limit): Default team size is 8; v2633 (Protocol): Your game version must equal protocol 2633 to get in; cs165217 (Build): Running build 165217; ptrak (Networking): This runs on RakNet, the game's default network layer; $r? (Region code): No region code on record are the tags Cobalt Test puts out, and the game's server browser takes them in. The tags carry its current players, its queue and its world's creation time, and this page puts them up top.
Where does Cobalt Test appear in Boongarust lists?
The Boongarust lists that take Cobalt Test are: The busiest community servers in Rust. It appears on the server list when you filter by: Type: Community (not modded, not official) and No plugins at all; Group limit: 5 or more; Last wipe: In the last 2 weeks.
Server details
Where can you find Cobalt Test?
No region comes from Cobalt Test. Where a server says it is, that is what Boongarust shows. Where the machine actually stands is not looked up. Connect at 31.59.125.121:28015.
What's the uptime like on Cobalt Test?
Cobalt Test is down, with the last sighting 7 days 12 hours ago. Last 7 full days: 0% uptime, with 0 hours up out of 168. The first record Boongarust has is 23 September 2026.
What Rust version is Cobalt Test using?
Rust network protocol 2633 and build 165217 on Windows: that is Cobalt Test. Joining requires your game to be on the same protocol; Steam handles the update.
Wipe info
How does Cobalt Test handle wipe day?
Recent wipes peaked at 0 players on average. 0 hours after the latest wipe, the crowd hit its peak.
Cobalt Test wipes on what schedule?
Cobalt Test's wipes are too few on record to show a rhythm. All Rust servers wipe at the force wipe, monthly. The next is Thursday 5 November at 19:00 UTC. The world you are on was made 7 days 14 hours.
Population
Ranking wise, where does Cobalt Test place?
In the top 65% of all ranked servers, Cobalt Test is #15,514 on player hours over the last seven days.
Is Cobalt Test busy?
Cobalt Test last showed life 7 days 12 hours ago; it is offline now.
Join the server
What's the process to join Cobalt Test?
To connect, open the console with F1 in Rust and type client.connect 31.59.125.121:28015. You can also use Launch Rust on this page to open Rust via Steam and connect.
Sticker sheet
Every tag it publishes, and what it means. Published as mp10,ptrak,$r?,v2633,gmrust,cs165217,ts8.
Flag meanings are Facepunch's.