IMD Swarm

DOOM 1993

The original engine. A new way in.

Browser edition
Freedoom: Phase 1Ready to play

Back in the fight.

Freedoom Phase 1 · All 36 levels

6.8 MiB download · Runs locally

Click the game to capture the mouse. Esc releases it.

Know your controls

Classic rules. No jumping. Keep moving.

WASDMove & strafe
←→ / MouseTurn
Ctrl / ClickFire
E / SpaceOpen & use
1 – 7Select weapon
ShiftRun
More controls & session notes

Tab leaves the game so you can reach page controls. M opens the automap. Enter confirms game menus; arrow keys navigate. Use the Pause button before adjusting settings.

Touch controls appear on narrow screens. Rotate your device for a larger view. Restart and applying packs begin a new game. Saves and attract-mode demos are disabled in this edition; closing the tab clears the session. Gameplay includes flashing effects.

Built on a classic.

The real id Software Doom engine, compiled to WebAssembly. Freedoom Phase 1 supplies the freely redistributable artwork, maps and audio. Made by IMD Swarm.

Original DOOM and DOOM II assets are not included. Load only files you have the right to use. Vanilla PWADs are supported; extended engines and scripted mods are not.

Read the modding guide

Start a new game?

This ends your current session and applies the selected game, difficulty and packs.