No, it isn't the cursor. I've added a new video. If you watch it in fullscreen, you can see the mouse cursor (white square) and the weird pixels clearly.
Yes, you can force your game to crash if you hold f3+c for 10 seconds or longer.
No, it isn't the cursor. I've added a new video. If you watch it in fullscreen, you can see the mouse cursor (white square) and the weird pixels clearly.