IT'S FULLY STANDALONE, SO DON'T WORRY! EXTRACT AND PLAY!
1.New models - In this game SWAT will fight against the invasion of the Zombies.
3.New guns (Source-like).
5.New effects (blood, bullets, muzzleflash).
6.Half-Life is included in this release (full, last version and multiplayer is working).
7.The maps cs_assault, de_dust, de_dust2, cs_train are in HD (High Definition) textures (your video card must support at least DirectX 8 to work).
8.Real Weapon names.
9.Very good installer.
10.You can play with bots or online.