12 ways to conquer the world The ultimate collection features 12 Command Conquer games on a single DVD. Bonus DVD with commemorative video features including exclusive interviews and tribute videos from our biggest fans Hundreds of single-player missions and multiplayer mayhem span every Command Conquer universe Command Conquer - The Universe that started it all Command Conquer Red Alert - The battlegrounds of alternative history Command Conquer Generals - Fight the masterminds of modern warfare System Requirements Operating System Windows XP. Processor 800MHz (Intel Pentium III or equivalent). Memory 256MB RAM. Hard Drive 9.8GB (if installing the entire DVD). DVD-ROM 8 Speed. Video Card 32MB. Sound Card DirectX 8.1 compatible. DirectX Version 8.1.