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Emulating ALT-W.EXE in DOSee.

Use these tabs to make adjustments to the emulation

If the emulation is taking too long to load, you can turn it off.


Reload DOSee to launch the DOS prompt

Applying changes will reload the page and reboot the emulator





Changes are not applied until the browser tab is reloaded





DOS programs need a keyboard for user input
Some common keys used in DOS programs

ENTER to select or continue
ESC to navigate back or exit
are often used to navigate menus


Emulation too slow?
Set the emulator to use maximum CPU speed

Emulation too fast?
Set the emulator to use the 386 CPU configuration

Experiencing graphic or animation glitches?
Set the emulator to use VGA only graphics configuration

Need to turn off the audio?
Disable sound card support

Have no audio?
  1. Try Gravis Ultrasound hardware
  2. The song or audio file maybe missing from the program
  3. Audio may not be supported
    Unlike other systems of the era, audio for DOS was unfortunately complicated for both programmers and end users alike. A lot of early scene software didn't bother including it. While those that did often didn't test it on all the hardware they supposedly supported.


DOSee pronounced dos/see, is our emulator used to run MS-DOS based software in your web browser.

MS-DOS (Microsoft DOS) was the primary operating system used by PCs during the 1980s to the early 1990s and is the precursor to Microsoft Windows.


DOSee is a slimmed down, modified port of The Emularity.

The Emularity is a multi-platform JavaScript emulator that supports the running of software for legacy computer platforms in a web browser. It is the same platform that's running emulation on the Internet Archive.

EM-DOSBox is a discontinued, high-performance JavaScript port of DOSBox that is applied by The Emularity for its emulation of the MS-DOS platform.

DOSee uses BrowserFS ZipFS and ZipFS Extras to simulate zip file archives as hard disks within EM-DOSBox.

DOSBox is the most popular MS-DOS emulator in use today and is frequently used by commercial game publishers to run games from their back-catalogues on modern computers.


DOSee, built on The Emularity, EM-DOSBox and DOSBox. Capture screenshot and save function built on canvas-toBlob.js.

2 items in the archive
  • ALT-W.EXE
  • ALT-W.NFO
[+] Configuration Copy text
┌─────────═══════════[..... Alternative Worlds .......]═══════════─────────┐ ├──────────────────────────────────────────────────────────────────────────┤ │ By downloading this file you agree to abide by all copyright laws of the │ │ United States and Canada as found in U.S.C.A., and specifically those │ │ sections regarding non-profit library check-out of software. Once your │ │ checkout period is over you must return or destroy this file. If you do │ │ not do so you will be in violation of Federal Law. If you have any │ │ questions regarding your legal liability please consult U.S.C.A. or your │ | local attorney. Making copies or distribution of this file is expressly | | forbidden by Federal Law. You checkout period is ♥624 hours♥9. If you | : can use this software please purchase it from your local retailer. : : : ∙ This file has passed all the test to bring you a quality program, ∙ ∙ Virus test by SCAN from McAfee, Archive Test by PKUNZIP v2.04g Reg. ∙ ─ ── ────═══════════[......... 514.664.4503 ........]═══════════─── ─── ── .
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