Play DOOM online in your browser Free & legal shareware
Guide updated July 2026 · Runs via DOSBox + WebAssembly
The real, original DOOM — id Software's 1993 first-person shooter — running in a browser tab. No download, no install, no account. This is the freely-redistributable shareware episode (Knee-Deep in the Dead), the original DOS DOOM.EXE executing in DOSBox + WebAssembly. Hit play and start fragging imps.
D-pad: move/turn · FIRE: shoot · USE: open doors · RUN: sprint
Runs in your browser tab with DOSBox + WebAssembly — nothing is uploaded. Click the screen to capture input; press Ctrl+F10 to release mouse.
Get the DOOM shareware (free, legal)
The complete first episode, unmodified, distributed at no charge exactly as the shareware license permits. The most reliable source is the Internet Archive's preserved copy:
Get DOOM shareware (Internet Archive) →
Grab the DOS build (DOOM.EXE + DOOM1.WAD). Unzip it, then use "Load your own copy" above to drop the folder in. © id Software — the shareware episode is freely redistributable unmodified and at no charge. The registered episodes and Doom II are commercial and not included; buy those from id / Steam.
How it works & what to expect
| Game | DOOM shareware, episode 1 (DOOM.EXE + DOOM1.WAD) |
|---|---|
| Runtime | DOSBox + WebAssembly — classic DOS binary |
| Era | 1993–1996, original DOS release |
| How to load | Unzip, then drop the whole folder so the EXE finds its WAD |
| Expected result | Plays at full speed; OPL2 sound works |
Classic DOS DOOM vs. source ports
This page runs the original DOOM.EXE DOS binary in DOSBox — the same executable that shipped on floppy disks in 1993. No source port, no Wine, just pure DOSBox emulation. WASD moves (remapped via DOSBox), Ctrl fires, Space opens doors. Arrow keys also work.
Want a source port?
DOOM's engine was open-sourced by id in 1997, spawning dozens of modernized ports like Chocolate Doom. These run the same shareware WAD with higher resolutions and fixed bugs. You can load a source port EXE alongside DOOM1.WAD using the "Load your own copy" option above.
Frequently asked questions
Can I play DOOM online for free with no download?
Yes. Episode one (Knee-Deep in the Dead) was released as free shareware in 1993 and is still freely redistributable. ExeBrowser runs the real Win32 build in your browser — nothing to install.
Is this real DOOM or a remake?
The real, original executable, running unmodified. ExeBrowser doesn't re-create the game; it runs id Software's actual Windows binary inside an x86 emulator and Wine, rendering to a browser canvas.
What are the controls for DOOM in the browser?
Click the game canvas to capture input. WASD moves (W=forward, S=back, A=turn left, D=turn right), Ctrl fires, Space opens doors, and the number keys switch weapons. Arrow keys also work. Press Esc to release the mouse back to the page.
Is it legal to play DOOM here?
Yes, for the shareware episode — id distributed it to be freely copied unmodified at no charge. The registered episodes and DOOM II are commercial and aren't included; buy those from id or Steam.
Why might DOOM run slowly in the browser?
An x86 CPU is emulated inside WebAssembly, so you get roughly 10–40% of native speed. DOOM is light enough to play at full speed on most modern laptops; older tablets and Chromebooks may feel slower.
More you can run in your browser
- 3D Pinball Space CadetThe beloved Windows XP pinball table.
- Wolfenstein 3Did's original FPS shareware, in a tab.
- FreedoomThe fully free DOOM-engine game and IWAD.
- Chocolate DoomFaithful DOOM source port, runs cleanly.
- Heretic & HexenRaven's DOOM-engine fantasy shareware.
- Compatibility guideWhat runs and what doesn't.