Do I need Half-Life2 to play CS:S?

[Kampf]

Do I need Half-Life2 to play CS:S?

[Oselly]

i dont think you need the stuff installed although tbh i have it installed to play garrymod so im not 100% sure. better wait for someone who knows what theyre on about do the talking
Os

[One Armed Scissor]

you need to buy it to get cs: s

[Pegasus]

You can DL CS:S via Steam.

[Flufball]

So long as you own HL2 that is.