This mod is aimed at RTCW MP client, incompatible with SP client. Contains mvsay lines, including:

• Texture overhaul for mp_base (affects other maps that use same texture path)
• vsay replacements. Sounds taken from various games such as Postal 2, Half-Life, Payday: The Heist, Payday 2, Quake 3 Arena, Deus Ex
• Remodeled weapons, ammo bag, medbag, airstrike marker, documents (obj) etc.
  and so on...

Drop the .pk3 file in Main folder