1.) Optional: Back up your save file, i don't think its necessary but doesn't hurt

C:\Users\YourUserAccount\AppData\Local\STC

1.) Open the Steam console by copy pasting this code into your browser's URL

steam://nav/console

2.) Use the following manifest to download the working game version using the Steam console

download_depot 2118580 2118582 6390572155765460065

3.) Wait for the download to complete, the console will state when its finished. It should not take very long since the build is less than 30 megabytes.

4.) Navigate to your Steam folder and find

\Steam\steamapps\content\app_2118580\depot_2118582

5.) Optional: Backup your current STC folder by renaming it to something like

\SteamLibrary\steamapps\common\SuperTotalCarnage_v1.1.6

6.) Delete the content in the game folder and replace it with the depot content from step 4

\SteamLibrary\steamapps\common\SuperTotalCarnage

7.) Launch the game and get your missing achievements


I have not found a way to get Topi del Cielo, Bonerang or Mai A Letto yet however.

This only works for the original 8 weapon achievements.

If anyone figures out a build that works for the other achievements ill be glad to update this guide.