SO... I posted about the first Killing Floor. https://www.humblebundle.com/store/killing-floor-2 Here's the second one. And it's inexpensive. And it's worth it. IGN rates it an 8 (Great) (Random review and introduction) (Total Biscuit's review) There are tons of servers that are always occupied and some that aren't if you want to go it alone. The perk system is well thought out and adds a feeling of accomplishment as you play. The gore system is one of the most advanced in ANY game on the market. I give it a 9.5 out of 10. My only real complaint about it is that it needs more weapons...which are being added regularly...so I can't really complain about it anymore.. Check the game out. It's most definitely worth a play, and at 15 or less dollars, you will have no problem getting your money's worth out of it.