Solution
Just avoid any games that has dropped support DX9 if you want to continue playing games with Windows XP.

For example, Just Cause 2 and BattleField 3 have dropped DX9 support, so they cannot be played on a PC with Win XP.
Depends if you meet the minimum system requirements.

Codemasters reveals the specs for the PC version of their soon-to-be-released racing game, DiRT 3:

Minimum System Requirements

OS: WinXP, Vista or Win7
CPU: AMD Athlon 64 X2 2,8 GHz, Intel Pentium D 2.8 GHz
RAM: 2 GB
HDD: 15 GByte
Gfx Card: AMD Radeon HD 2000 256 MB, Geforce 8000 Series 256 MB

Recommended System Requirements

DirectX 11
OS: Vista or Win7
CPU: AMD Phenom II or Intel Core i7
RAM: 3 GB
Gfx Card: AMD Radeon HD 6000 Series


Just because you meet the minimum requirements does not mean the game will run smoothly on low details.
 

truegenius

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since directx 11 is recomended but some ssys that xp officially support upto dx9 only, their is no official dx11 for xp sp2, and i dont want to try unoficial version, so can i play it on xp,

my pc specs:

AMD Athlon 64 x2 7750 BE 2.7Ghz oc upto 3.3ghz
MSI K9N6PGM2-V
Sega 2 500watt psu
3gb ddr2 667mhz oc upto 834mhz dual chanel ram pc2-5300
160gb wd hd
Saphire Radeon HD6770 1gb gddr5
current window xp sp2
all available window xp / vista / 7 32b / 7 64b