Counter-Strike: Global Offensive, the latest in Valve's influential online shooter series, will include a new mode based on popular Counter-Strike: Source mod Gun Game. The new mode, Arsenal, features two game types, the objective-focused Arsenal: Demolition and Arsenal: Arms Race, in which you get a new weapon with each kill, working through a sequence of weapons that ends with a knife.

　　In the video above, Valve's Chet Faliszek tells us more about Arsenal mode, as well as how Counter-Strike co-creator Jess Cliffe is on the CS:GO team. He also talks up the game's new weapons, including the Zeus Taser gun, which is a pricey, single-use, one-hit-kill zapper: "A thousand dollars is a lot of money, and that's what the Zeus costs. So you're saying, before the round starts, I'm going to buy this weapon that's expensive, that has one use, and has to be close when I use it. I'm that much better than you, and I'm going to insult you by using it… It's funny to watch someone getting killed trying to use it."

　　Also, on the delayed free Portal 2 DLC: "Very, very soon."