Day of Infamy server hosting for WWII squads
Run the WWII infantry shooter from the makers of Insurgency for your clan, your community or co-op nights against bots. Workshop maps and mods, such as the WWI mod Screaming Steel, load straight onto the server.
- Seven PvP modes and three co-op modes against bots
- US Army, British Commonwealth and Wehrmacht factions
- Steam Workshop maps and mods on the server
- Server build updated in December 2025
- Slots
- 32 by default (-maxplayers)
- Ports
- 27015 game · 27020 SourceTV
- Modes
- 7 PvP · 3 co-op
- Mods
- Steam Workshop (-workshop)
- Server software
- Day of Infamy Dedicated Server (app 462310)
- BattlEyeThe developers removed BattlEye from the game and the Windows dedicated server; server owners had to update the server through Steam.
- Removed in December 2025
Play styles
- PvP
- Co-op against bots
- Workshop
- Screaming Steel
- SourceTV
Game facts from the Day of Infamy Steam page and announcements, Steam app data and LinuxGSM, checked in October 2026.
- DDoS protection
- 20 game server locations
Day of Infamy plans are being prepared
Tell us your slot count, whether you play PvP or co-op and which Workshop items you use, and our team will reply with the options. Or open a ticket and we will let you know when the plans are online.
How big should a Day of Infamy server be?
Slots, bots and Workshop content decide the load. Co-op servers simulate the enemy team, so they need more CPU per player.
Find your size
| Feature |
Co-op squad
A small squad against bots
|
Recommended Community
Up to 24 slots
|
Full server
Up to 32 slots or big mods
|
|---|---|---|---|
| Memory (RAM)Memory for the map, the players and every plugin. Classic shooters are light; plugins and custom maps add to it. | 2 GB | 3 GB | 4 GB |
| CPU coresSource and GoldSrc servers simulate the match on one main thread, so a fast core matters more than many cores. | 2 | 2 | 3 |
| Disk spaceThe server content is about 12 GB; Workshop maps and mods come on top. | 20 GB | 25 GB | 30 GB+ |
| BotsCo-op modes fill the enemy side with AI, which the server has to simulate. | Full enemy team | Optional | Optional |
| Typical use | Friends in co-op | A PvP community map cycle | Full PvP or Screaming Steel |
-
Co-op squad
A small squad against bots
- Memory (RAM)Memory for the map, the players and every plugin. Classic shooters are light; plugins and custom maps add to it.
- 2 GB
- CPU coresSource and GoldSrc servers simulate the match on one main thread, so a fast core matters more than many cores.
- 2
- Disk spaceThe server content is about 12 GB; Workshop maps and mods come on top.
- 20 GB
- BotsCo-op modes fill the enemy side with AI, which the server has to simulate.
- Full enemy team
- Typical use
- Friends in co-op
-
Recommended
Community
Up to 24 slots
- Memory (RAM)Memory for the map, the players and every plugin. Classic shooters are light; plugins and custom maps add to it.
- 3 GB
- CPU coresSource and GoldSrc servers simulate the match on one main thread, so a fast core matters more than many cores.
- 2
- Disk spaceThe server content is about 12 GB; Workshop maps and mods come on top.
- 25 GB
- BotsCo-op modes fill the enemy side with AI, which the server has to simulate.
- Optional
- Typical use
- A PvP community map cycle
-
Full server
Up to 32 slots or big mods
- Memory (RAM)Memory for the map, the players and every plugin. Classic shooters are light; plugins and custom maps add to it.
- 4 GB
- CPU coresSource and GoldSrc servers simulate the match on one main thread, so a fast core matters more than many cores.
- 3
- Disk spaceThe server content is about 12 GB; Workshop maps and mods come on top.
- 30 GB+
- BotsCo-op modes fill the enemy side with AI, which the server has to simulate.
- Optional
- Typical use
- Full PvP or Screaming Steel
The developers publish no server hardware figures; these starting points follow the 12 GB server content and common practice for Source servers.
Modes, factions and Workshop content
Day of Infamy runs on the Source engine with full Workshop support, so a server can switch between official modes and community content.
PvP and co-op
Seven player-versus-player modes and three co-op modes in which your squad fights AI soldiers.
Three factions
US Army, British Commonwealth and German Wehrmacht, with nine classes and 33 playable units.
Steam Workshop
More than 1,200 community maps, mods, sound packs and skins; the server loads subscribed items when started with -workshop.
Screaming Steel
A free World War I conversion distributed through the Workshop; its team released its final update, Endgame, in 2021.
server.cfg and map cycles
Hostname, passwords and rules in server.cfg; the map and mode rotation in the map cycle file.
BattlEye removed
Since December 2025 neither the game nor the Windows dedicated server uses BattlEye; update the server to match the players.
Set up your Day of Infamy server
Four steps to your first push.
-
Choose PvP or co-op
Pick the play style and Workshop content, then the size from the table above.
-
Pick a location
Choose the one closest to your players from our 20 game server locations.
-
Set the rotation
Write server.cfg, choose the maps and modes for the map cycle and add your Workshop items.
-
Connect
Find the server in the in-game browser or connect from the console with the address and port.
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Frequently asked questions
How many players can join a Day of Infamy server?
You set the slots with -maxplayers; common server setups start at 32. Co-op modes are played by a smaller squad against AI soldiers.
Which ports does the server use?
The game uses 27015 by default and SourceTV 27020. Change them with -port and +tv_port when the server starts.
What happened to BattlEye?
In December 2025 the developers removed BattlEye from the game client and the Windows dedicated server. Players update through Steam; server owners must update the dedicated server too, and some setups need extra configuration afterwards.
Can I use Workshop maps and mods?
Yes. Day of Infamy supports the Steam Workshop, with more than 1,200 community items. Start the server with -workshop and add the items you want; players download them when they join.
What is Screaming Steel?
A free community mod that turns Day of Infamy into a World War I shooter, distributed through the Workshop. Its team released the final update, Endgame, in July 2021.
Which modes can the server run?
Seven PvP modes and three co-op modes against AI. You choose the map and mode pairs in the map cycle, so one server can rotate between them.
Does the server run on Linux?
Yes. The Day of Infamy Dedicated Server is available for Windows and Linux through SteamCMD.
Can players on macOS or Linux join?
Yes. Day of Infamy is sold for Windows, macOS and Linux, and all of them join the same servers.
Ready to lead your squad?
Tell us your play style, slots and Workshop items, and we will help you pick the right server.