The answer depends on the game. There are many freeware and shareware games that are perfectly legal to download and play.

Games that are sold in stores are usually not freeware or shareware.

What constitutes the "best" freeware is variable depending on who you ask and what your personal needs are. The web domain "TechSupportAlert," though, does have a list of some of the highest rated freeware available on the web.

Gamehippohas website, has 100% freeware games without adware or spyware. Some are rather excellent too. Give it a try.

Or you can check out Gamer's Database (see related link below). You can find freeware games for your Mac, Windows or Linux computer, freeware game reviews, screenshots and videos.

Brothersoft has some and the rest are on thepiratebay(google this to find the link)

yes since Mugen games are not real games from companies or anything

i would say games such as : video games, online games, Itendo Ds, etc......