21CW
21st Century Warfare
Made for CW Rotation Roster: 2

Forge the Next Battlefield

The 21CW Mod Team builds the arenas where our 32v32 Campaign Warfare comes alive. Maps, logic, lighting — your craft becomes the warzone everyone fights over.

⚒️ Enlist in the Mod Team 🚀 Join Dev Discord
2
Current Roster
32v32
Campaign Ops
Weekly
Live Rotation
What Builders Say
“Seeing 64 players clash on something I built? Unreal. Best rush I’ve had in Battlefield.”
— Hex, Logic/Scripting
“Lighting pass on Friday, featured on Saturday. The loop is addictive.”
— Aery, Lighting
“Portal SDK is deeper than people think — modding with a mission is the secret sauce.”
— Kato, Map Design

Apply Now Fast Review

You’ve played the maps. Now build the ones they’ll talk about.

We’ll contact you here first.
Roles (pick all that fit)
Join Dev Discord Review queue is active during pre-season.

How Your Work Gets Played in CW

Your content goes into Division-vs-Division weekly ops (32v32; persistent territory). Victories move the frontline on our campaign map — and your name goes in the changelog.

21CW Mod — A Brief History

Born in the Battlefield 2 era, 21st Century Warfare paired a custom gameplay mod with a season-based tournament — using ranks, structured armies and persistent campaigns. The 21CW Mod shipped multiple releases over the years and powered our Saturday operations long before “Portal” was a thing.

  • 2006–2007: Early BF2 releases (e.g., v1.1.3, v1.1.7a) established the tournament ruleset and kit balance.
  • 2011 era: 3.x line (e.g., v3.4.0, v3.8.0) refined weapons, vehicles and end-of-round UX while supporting large campaign play.
  • Today: We bring that same campaign DNA forward — your Portal SDK work feeds directly into weekly 32v32 CW operations.

Want the deep dive? See the classic release pages and archives on ModDB/AusGamers.