FPS getting lower while playing cs2

SPECS: I7 9700, RX6600XT, 24GB RAM, M.2.

In CS2, when I launch the game and play the first match, I get around 200 fps or more, but as the rounds go by it slowly drops. It starts at 180, 150, 120…

Constantly like this until it settles at 70-90.

I use GNOME (Wayland). If anyone can help I’d appreciate it :slight_smile: