Mainland · seed 703342561
70 % land, the most a setting may ask: one big continent.
3900 m made in 5 min 2 s game build 25902425 22 October 2026


Its checks
What RustMapGen checked on this file as soon as it was made, and what the game said when it loaded it.
Can it be played
What any map must show.
- Rail ring closed, nothing cut off1 ring of 8.3 km, 24 sidings and 6 spurs joined to it
- Rail grades and curvesring: steepest climb 17 % over 30 m (limit 33 %), sharpest bend 17° (limit 36°); tracks off it: 23 % (limit 43 %), 21° (limit 40°)
- Rails above the waterlowest rail 0.2 m above sea level
- Sea and land tagged as the heights say99.85 % of the square agrees, 0.12 % of the land is tagged as sea
- Monuments on the ground37 monuments stand as the game stands them
- Power line towers on the ground119 towers, the highest 1.0 m above where it should stand (limit 3.0 m)
- Tunnel entrances joined to the tunnels19 ways down for 19 stations: 8 under an entrance bunker, 11 under a monument
Is it what was asked
The recipe's settings, checked against the result.
- Wanted monuments placedall 21 placed
- Nothing blocked is on the mapnone present
- Rail ringa ring of 8.3 km, 21.2 km of rails in all
- Land as asked70 % of the square is land (asked for 70 %, give or take 5)
- Outpost around the middle499 m from the middle (at most 600 m)
Does the game load it
Load test: the Rust dedicated server loads the file the way a server will, and its log is read.
- Loaded, clean loggame build 25902425, loaded in 84 s: 31,296 prefabs, 104,324 entities
Monuments on it
56 in all, as the game labels them.
- Airfield
- Arctic Research Base
- Cave Small Easy×2
- Cave Small Hard
- Cave Small Medium
- Desert Military Base A
- Ferry Terminal
- Fishing Village A
- Fishing Village B
- Fishing Village C
- Gas Station×3
- Giant Excavator
- HQM Quarry
- Ice Lake 1×2
- Ice Lake 2
- Jungle Ruins A
- Jungle Ruins B
- Jungle Ruins C
- Jungle Ruins D
- Jungle Ruins E
- Junkyard
- Large Harbor
- Large Oil Rig
- Launch Site
- Lighthouse×2
- Military Tunnels
- Mining Outpost×3
- Missile Silo
- Oil Rig
- Outpost
- Power Plant
- Radtown
- Satellite Dish
- Sewer Branch
- Small Harbor
- Stone Quarry
- Sulfur Quarry
- Supermarket×3
- The Dome
- Train Yard
- Underwater Lab A
- Underwater Lab C
- Underwater Lab D
- Water Treatment
- Water Well D×2
- Ziggurat
Use it on your server
Download the file, put it at an HTTPS address of your own, and point the server at it. Hosting it yourself keeps your server independent of this site. The steps, for your own server or a host.
+server.levelurl "https://your.host/maps/mainland-3900-703342561-20261022-123206-d7bf88.map"Want more like it? Download its recipe, mainland.json, into the data/recipes folder of your RustMapGen: it shows up in the panel as Mainland, next to the presets, to make with seed 703342561 or any other. The same seed gives the same land on every computer, but monuments can land elsewhere.



