Could you give me a list of the best freeware PC games of all types (sports,shooter, soccer ecc)

That's HUGE.

Have a look here for ideas: freegames - Google Search (http://www.google.co.uk/search?client=firefox-a&rls=org.mozilla%3Aen-GB%3Aofficial&channel=s&hl=en&source=hp&biw=&bih=&q=freegames&btnG=Google+Search)

Give me a list of freeware games

Not sure your age, but for a lot of free games with not a lot of crap/spam, try:
Y3.com - Free Flash Games - Play Your Favorite Game Online Right Now! (http://www.y3.com)

abandonware - Google Search (http://www.google.ca/search?q=abandonware&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a)