Icarus Dedicated Server: Admin Commands & ServerSettings.json Guide
Data Verified: May 2026Definitive Icarus dedicated server reference. Configure ServerSettings.json, manage drop-in/drop-out prospects, run open-world Olympus, and size hardware for 8-player session stability.
Commands & configuration database
| Command | Default Value | Description | Action |
|---|---|---|---|
ServerName | Icarus Server | Public server name displayed in the friends-join browser. | |
MaxPlayers | 8 | Maximum concurrent players. Hard cap is 8. | |
Password | (empty) | Password required to join the prospect. | |
ServerPort | 17777 | UDP gameplay port. | |
QueryPort | 27015 | UDP Steam query port. | |
RCONEnabled | false | Enables remote console access. | |
RCONPassword | (empty) | Password used for RCON authentication. | |
JoinPassword | (empty) | Per-prospect join password (separate from server password). | |
ShutdownIfNotJoinedFor | 0 | Seconds the server waits for first join before shutting down. 0 disables. | |
ShutdownIfNoneConnectedFor | 0 | Seconds with zero players before auto-shutdown. 0 disables. | |
AllowNonAdminsToLaunchProspects | false | Allows non-admin players to start new prospects from the orbital workshop. |
Showing 11 of 11 configuration parameters.
| Command | Default Value | Description | Action |
|---|---|---|---|
Admin help | N/A | Lists admin console commands. | |
Admin SaveAll | N/A | Forces an immediate world save. | |
Admin Kick <steamid> | N/A | Kicks the named player from the prospect. | |
Admin Ban <steamid> | N/A | Bans the named Steam64 ID. | |
Cheat SpawnItem <id> <qty> | N/A | Spawns the named item into the admin's inventory. | |
Cheat AddXP <amount> | N/A | Grants the admin XP for talent/blueprint testing. | |
Cheat Teleport <x> <y> <z> | N/A | Teleports the admin to specific map coordinates. |
Showing 7 of 7 admin console commands.
Recommended hosting providers
Vetted hosts with one-click Icarus installs. Links are affiliate placeholders and marked rel="sponsored".
One-click Icarus installs with web-based ServerSettings.json editor and prospect management.
Visit Nitrado →Pre-configured plans with high-clock CPUs tuned for Icarus's storm physics load.
Visit GTXGaming →Dedicated boxes ideal for long-running open-world Olympus prospects.
Visit Host Havoc →Hardware specifications
Sizing guidance for self-hosting a Icarus dedicated server.
| Tier | Specification | Use case |
|---|---|---|
| Co-op (1-4 players) | 6 GB RAM / 4-core 3.5 GHz+ CPU | Short prospects. Server idles around 4 GB. |
| Full Session (4-8 players) | 10-12 GB RAM / 4-core 4.0 GHz+ CPU / NVMe SSD | Long open-world Olympus with established base. |
| Open-World / Long-Run | 16 GB RAM / 6-core 4.5 GHz+ Dedicated Node | Persistent Olympus communities; storm physics scale with active grids. |
Default file locations
Default installation paths for Icarus dedicated servers installed via SteamCMD.
Windows
C:\IcarusDedicatedServer\Linux
/home/steam/icarusserver/Pro-Tip: Always stop the server completely before editing configuration files, or the server will overwrite your changes upon restart.
Default ports for port forwarding
Open these on your router and firewall before exposing the server to the internet.
| Service | Protocol | Port |
|---|---|---|
| Game Port | UDP | 17777 |
| Query Port | UDP | 27015 |
| RCON / Telnet | TCP | 27020 |
Frequently asked questions
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Host your own Icarus server
All hosting guides →Step-by-step install and deploy walkthroughs (panels, ports, RAM sizing). Pair these with the command reference above.