The standard CS weapons are still there, but they’re joined by a ridiculous roster of new toys:

Counter-Strike: Condition Zero Xtreme Edition is the Frankenstein’s monster of the Counter-Strike family—ugly, unbalanced, cobbled together from stolen parts, but strangely alive and beloved by a dedicated few. counter strike condition zero xtreme edition

The first release of Counter Strike Condition Zero Xtreme Edition appeared on modding forums like CSBanana and ModDB around 2006. The manifesto was simple: increase the speed, increase the violence, enhance the AI, and add content that Valve never dared to. The standard CS weapons are still there, but