My god, just install Linux and get it over with if you are not going to upgrade. Connecting a Windows 7 box to the modern internet is a risk for everyone. You are lucky you are not hosting a botnet C&C server on your machine (if you are not already).
Maybe you already know this, but instant power off is normally a sign of hardware trying to protect itself from extreme heat or voltage. A software error would either crash the game or give you a blue screen.
I think an easy fix may be just deleting the Proton Prefix for Deadlock, then verify the game files and launch it. The Prefix will be the directory /path/to/steam/install/steamapps/compatdata/1422450
EDIT: Maybe I shouldn't call it a fix, because the game should support your default key...
The parameter vm.max_map_count is roughly explained here at redhat.com and it makes sense that a game under heavy development would need this value to be raised. Perhaps someone will come along and stick this or consolidate it into list of needed to get the game to run on Linux. I will test it...
My apologies, sir. It's openSuse Leap. You don't roll back drivers if you do it right. You get one driver that has proven to be stable. In this case it's version 550.100 and will remain that way until a newer version comes along that has been tested and proven stable. Given that the game is...
Using Steam's built in Proton version I see the following behaviors:
Experimental: Won't launch
9.0-2: Launches but crashes when loading into a level
8.0-5: Won't launch
7.0-6: Won't launch
6.3-8: Launches but crashes on the Loading screen after the Valve logo
5.13-6 Won't Launch
That's as...
I am running openSuse Leap 15.6 and I have the same issues with the crashes.
CPU: AMD Ryzen 5 5600
RAM: 128 GB DDR4 3600
GPU: Nvidia Quadro RTX A4500 (For gaming think of it as an RTX 3080 with 20GB of VRAM) Driver Version 550.100
Storage: Samsung 1 TB Evo 970 NVMe PCIe gen 3
I am...