I found a SASEA Windowed Mode , That worked for me ,
1) Download the file ,
2) Open up Perx Injector
3) Change the process name to suddenattack.exe
4) Click on Browse
5) Browse for the file WindowedMode.dll
6) Start Sudden Attack Sea
7) there you go , your windowed mode of sudden attack )
Please take note that if you don't believe that this hack worked , don't bother to download it , as for me , i using window xp and it is working for me .
ONCE AGAIN THIS HACK DOES NOT MAKE BY ME , Credit go to creator . Thank me for posting this =)