The game is not available directly for web browsers (WASM or Javascript). It needs to be executed inside some emulator which can run in a web browser.

v86 emulator (​https://github.com/copy/v86):

• Open ​https://copy.sh/v86/?profile=windows2000
• Download C-evo 1.3.9 ISO image from https://app.zdechov.net/c-evo/chrome/site/v86/c-evo_1.3.9.iso
• Click on "Insert CD image" button and select the downloaded ISO image
• Go to "My Computer" and open "Compact Disk D:"
• Run C-evo32.exe
• Enjoy the game.

Optionally for higher resolution:

• Change Scale to 1.25 or 1.5 on top panel
• Click on "Go fullscreen" on top panel
• Open desktop Properties and select Settings tab
• Select 1920x1080 32-bit or other higher resolution and confirm the change
• Start C-evo32.exe
• In C-evo settings click on "Custom DPI" and select 150%

The state of the virtual machine can be stored into a file. The game runs also with ReactOS but without sound ​https://copy.sh/v86/?profile=reactos

Broadway engine is unfortunately supported only with Gtk 3 and 4 and Lazarus can correctly compile only to Gtk 2 which doesn't run in web browser with this variant. ​https://docs.gtk.org/gtk3/broadway.html ​https://docs.gtk.org/gtk4/broadway.html