No it is not even possible to play the download without the game
On a free online game site
yes
You can download it free on http://www.filestube.com/c/call+of+duty+black+ops+zombies+pc+download+free....... And its the full version
You could search if there's a flash game like nazi zombies (such as Sas:zombie assult) but other than that you could if you really wanted to, download bittorrent then search for "download call of duty 5 world at war torrent" and download it for free but i don't recommend it being illegal and all but it's your choice.
No, it requires download, but it is pretty safe to download.
No you won't. After downloading it, open the game and it will download a little additional files. Then the game should start normally with or without wifi of internet connections.
you cant
no
no
No the game is Call of Duty word at war or call of duty black ops and you must download the purchased game, buy the PC game Disc, or there is an iPhone iPad, & iPod game called Call of Duty: Zombies for those devices for $4.99
i think you can play it online
No, but you can download trainers that let you to play without a browser.