Sunkenland Server Hosting Guide 2025
Sunkenland is a Waterworld-style survival game. The world is flooded, and players must scavenge from sunken ruins, build floating bases, and survive against other survivors.
📋 Game Info
- Status: Early Access
- Players: Up to 14
- Platform: PC (Steam)
- Genre: Waterworld Survival
- Server App ID: 2667530
Prerequisites
Hardware Requirements
| Component | Minimum | Recommended |
|---|---|---|
| CPU | 4 cores @ 2.5 GHz | 6 cores @ 3.0 GHz |
| RAM | 8 GB | 16 GB |
| Storage | 30 GB SSD | 60 GB NVMe SSD |
| Network | 50 Mbps upload | 100 Mbps upload |
| OS | Windows 10/11 64-bit | Windows Server 2019/2022 |
Server Setup
SteamCMD Installation
SteamCMD is Valve's command-line tool for downloading game server files.
Windows Setup
- Download SteamCMD from Valve's website
- Extract to a folder (e.g.,
C:\steamcmd) - Run
steamcmd.exe
Download Sunkenland Server
Launch SteamCMD and run the following commands:
# One-liner (recommended)
steamcmd +login anonymous +force_install_dir C:\SunkenlandServer +app_update 2667530 validate +quit
# Or run interactively:
# Set installation directory
force_install_dir C:\SunkenlandServer
# Login anonymously
login anonymous
# Download Sunkenland server files (App ID: 2667530)
app_update 2667530 validate
# Exit SteamCMD
quit
Important: After the first download, run the update command again. Some files are only downloaded on subsequent runs, which can cause "SessionInfo: IsValid" connection issues.
Configure Server
Create configuration file in your server directory:
# ServerSettings.ini
[ServerSettings]
ServerName="My Sunkenland Server"
ServerPassword=""
AdminPassword="your_admin_password"
MaxPlayers=8
Difficulty=Normal
WorldSize=large
# Gameplay Settings
PvPEnabled=false # Default is PvE
PvPDamageMultiplier=1.0
FriendlyFire=true # Allow teammate damage
Launch Server
Windows Launch
Create batch file start_server.bat:
@echo off
cd C:\SunkenlandServer
Sunkenland-DedicatedServer.exe -nographics -batchmode -worldGuid "YOUR-WORLD-GUID" -region "us" -maxPlayerCapacity "8" -port 27015 -queryport 27016
Finding worldGuid: Check your save folder at %localappdata%low\Vector3 Studio\Sunkenland\ for your world's GUID folder name.
Port Forwarding
Open the following ports on your router and firewall:
| Port | Protocol | Purpose |
|---|---|---|
| 27015 | UDP | Game Port |
| 27016 | UDP | Query Port |
| 27017 | TCP | Web Interface (if available) |
Windows Firewall
New-NetFirewallRule -DisplayName "Sunkenland UDP 27015" -Direction Inbound -LocalPort 27015 -Protocol UDP -Action Allow
New-NetFirewallRule -DisplayName "Sunkenland UDP 27016" -Direction Inbound -LocalPort 27016 -Protocol UDP -Action Allow
Server Configuration
PvP Settings
| Setting | Description | Options |
|---|---|---|
| PvP Damage | Damage dealt by players | 0.5x, 1.0x, 1.5x |
| Building Damage | Destruction of structures | Disabled, 0.5x, 1.0x |
| Player Drops | Items dropped on death | Enabled, Disabled, All |
| Team Damage | Can teammates damage each other | Yes, No, Disabled |
World Settings
| Setting | Options | |
|---|---|---|
| World Size | Map size and complexity | Small, Medium, Large |
| Day Length | Length of daytime | Short, Normal, Long |
| Night Length | Length of nighttime | Short, Normal, Long |
| Weather | Environmental conditions | Calm, Stormy, Variable |
Resource Settings
| Setting | Description | Options |
|---|---|---|
| Resource Spawn Rate | Frequency of resource spawns | Low, Normal, High |
| Building Cost | Cost to build structures | Low, Normal, High |
| Crafting Time | Time to craft items | Fast, Normal, Slow |
| Resource Density | How concentrated resources are | Sparse, Normal, Dense |
Admin Commands
Essential Commands
| Command | Description | Usage |
|---|---|---|
| /kick | Remove player from server | /kick [PlayerName] |
| /ban | Ban player from server | /ban [PlayerName] [Duration] |
| /mute | Mute player chat | /mute [PlayerName] [Duration] |
| /tp | Teleport to coordinates | /tp [X] [Y] [Z] |
| /giveitem | Spawn item for player | /giveitem [PlayerName] [ItemID] [Amount] |
| /setdifficulty | Change game difficulty | /setdifficulty [Easy/Normal/Hard] |
| /time | Set time of day | /time [0-24] |
| /weather | Change weather conditions | /weather [Clear/Storm/Rain] |
Gameplay Features
Waterworld Mechanics
- Floating Bases: Build bases on water surfaces
- Underwater Scavenging: Explore sunken ruins for resources
- Water Travel: Use boats and rafts to navigate
- Oxygen Management: Monitor your oxygen while underwater
- Environmental Threats: Weather and ocean conditions
PvP Considerations
⚠️ Waterworld PvP Challenges
Waterworld PvP presents unique challenges:
- 3D combat in water environment
- Base defense harder than land
- Visibility issues in murky water
- Escape routes are more complex
Frequently Asked Questions
How many players can join?
Sunkenland supports up to 14 players. 4-8 is recommended for balanced gameplay.
Does Sunkenland have crossplay?
No, currently PC only. Crossplay may be added in future updates.
Can I play solo?
Yes, single-player mode is supported. Multiplayer is optional.
Is Sunkenland like other survival games?
Similar to games like The Forest but with unique waterworld setting. Different mechanics but familiar survival elements.
What's the server App ID?
The Sunkenland dedicated server App ID is 2667530. Use this with SteamCMD to download server files.
Next Steps
- View detailed hardware requirements
- Configure server settings
- Fix server visibility issues
- Set up a private server
Save File Protection
Important: Sunkenland saves can become corrupted if the server crashes during a save. Enable auto-backups and set item respawn > 1 day to prevent issues.
- Backup Location:
%localappdata%low\Vector3 Studio\Sunkenland\ - FishSpawnerData Fix: If saves fail to load, edit
World.jsonand replace "FishSpawnerData" with "null" - Support: Send corrupted saves to support@sunkenlandgame.com
Waterworld Survival: Sunkenland offers a unique survival experience. Dive into flooded worlds, build floating bases, and survive against both the environment and other players.