Warzone 2100 is an RTS that fans petitioned a company to release as FLOSS, after support had ended.
Self-destructing is their key feature.
You can let it run.
I find it clots better by using tissues to plug the flow.
To tilt your head back if you have a blood nose.
This is no longer recommended advice, because you end up drinking the blood which causes vomiting.
Way to stop them is put ice over the back of neck, plug nose with tissue and clear clots each 2 mins.
Bone conducting headphones
Peltier personal AC neck coolers. (eg Coolify2)