Nice game, but I didn't understood at first how to open the console at the end of the game. Fortunately, I'm an EFPS Dev newbie so I searched on the software forum and on the discord and I found out the solution.
***Spoiler***
Shift + Right click in the explorer window where the game executable is (not on the game!), Open Powershell, then put this : ./"buried alive.exe" -console
When your are in the Crib, tap on the console key and put the keyword! Then scroll down and use your weapon.
***Spoiler END***