First published at 23:03 UTC on August 10th, 2019.
Doom II via GZDoom 3.5 for Windows, Mac, and Linux.
Linux Mint 17.3 64bit.
Nvidia NVS 3100M (256MB) laptop graphics, with Nvidia 340.107 Linux driver.
Recorded using SimpleScreenRecorder, which is free but dips the framerate.
Tier IV enemy settings ...