http://www.hoverrace.com/downloads.x/HoverSetup1_23_1.exehoverrace

To play online you have to follow this guide
http://hoverrace.com/?page=unabletoconnector look at portforward.com for your router model. Of course I can help with any problems too

Call of duty 2
http://www.easy-upload.nl/index.php/file/104b2884baebfc8Is a torrent, so you need for example uTorrent to download it.
Duke Nukem 3D
http://www.easy-upload.nl/index.php/file/164b288509de8f7rar file - unrar and open duke3d_w32.exe
RA2 is a bigger game, will take some time to upload so will do this evening
**runs to the bus**