PC:

Monitor:AORUS FI27Q

Cpu: 10850K with Nzxt Kraken X73 ( 60c in game )

Gpu: Rtx 3090 Gaming Oc ( 60C in game )

Ram: 32gb 2x16 GB DDR4 GSKILL 3200MHZ XMP

Psu: Seasonic Ultra Prime Titanium 850W TX

mb: Aorus 490 Pro GamingSSD: Crucial 1TB Nvm SSD

Case: Cooler Master Cosmos C700P

Hi. Today i played Quake 2 rtx and get flickering on the same scene.
It was on 3 level.
Screen from that place:


video
https://www.youtube.com/watch?v=smwdpP1L35s
24:06 here

Walls start flicker to black colours + glitchy black object. I tried to reproduce this but now its ok. It was card issue or game?

Card is on stock
 
 

Mostly likely the game.