Uploaded December 2025 | Updated September 2026, 14 hours ago

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Team Fortress 2's 64-bit update broke access to the Particle Editor. By following this tutorial, you can use the Particle Editor on the 64-bit version of Team Fortress 2 once more.

TXT file contents: pastebin.com/NuCZ3vVs

"enginetools"
{
"library" "../tools/x64/pet.dll"
"library" "../tools/x64/actbusy.dll"
"library" "../tools/x64/commedit.dll"
"library" "../tools/x64/gameevents.dll"
"library" "../tools/x64/sampletool.dll"
"library" "../tools/x64/vcdblock.dll"
"library" "../tools/x64/vmt.dll"
}


Shoutouts to Avast AntiPony 9445 for pointing out the issue with the 64-bit engine tools.