Now, this may be because I'm better than I think I am (And I think I'm awful. Just terrible.), but does the Punishment seem a little... I don't know, easy? I cleared most of it with just the Blaster and Grenades, the only two weapons I had access to.

How easy is it for others? Or tough?

It starts hard but gets easy if you know what to do.
You can just kill the jorg/makron at the spawn if you dont get tired of it, and take the teleporter. If you take the ladder, you can get more weapons, and the rest of it is pretty easy.

I can beat that mission 9/10 times now. Is pretty easy, but sometimes i get into an awkward situation, and i die.
Try other missions, they are pretty tough (crash n massarce is beatable for me)

Soloing the mission "Rush for the head" might be a major challenge .

Off: I couldn't recover my old Quake 2 folder from the broken hard drive.. though I shall try the hard drive on Linux (Ubuntu) ,because the hard drive was just fine on it, and then I shall copy the old Quake 2 on my 8GB memory stick .

Who would come up with such a crazy idea >_>'

Yeah, Rush for the Head is tough. Personally, I'm having trouble with the gladiator at about 20 kills in, including the fact I forget Quad Damage exists and I keep running out of ammo foolishly.

I have never beaten this mission solo (you might wonder why am I between the first three ones who have succeeded that mission... that`s because I`ve done it with Silentyuki, and it was easier to beat that mission then) My best performance at solo was when I started shoting the last enemy - tank commander, which has the commanders head. Time just runs out, when I`m trying to kill him!